Please help me in this Spanish assignment I don’t get it.

20. Which does NOT describe primary succession? *O Decomposing organic matter forms soilO Presence of existing fertile soilO Long-term occurrence over extended timeBarren land once covered by glacier Consider the following four-sector Keynesian income-expenditure multiplier model: AD = Cp + Ip + G + X - M Cp = Co + c(Y-T) Ip = Io G = Go T = To + tY X = Xo M = Mo + mY where Co is autonomous consumption, Io is private investment, G is government expenditure, To is autonomous taxes, X is exports, M is imports, c is the marginal propensity to consume out of disposable income, t is the marginal propensity to tax, m is the marginal propensity to import; and 0 < c < 1, 0 < t < 1 and 0 < m < 1. Assume Co = $400 billion, c = 0.6, Io = $620 b., Go = $660 b., Xo = $480 b., To = $100 b., Mo = $150 b., t = 0.25, and m = 0.2. a.Calculate the equilibrium level of income (and output) in $ billion. Two angles in a triangle have measures of 18 and 77.What is the measure of the third angle Discour sur le foot n est pas que pour les garons Two slot machines offer to double your money 3 times out of 5 Machine A takes $10 bets and Machine B takes $100 bets on each occasion. A risk-averse investor prefers to bet on A. Machine A OB. Machine what are the three steps of the standard collision-prevention formula A system of accounting for production operations that provides managers with information to control costs and set selling prices is called a(n) Multiple Choice a.Production accounting system b.General accounting system c.Cost accounting system d.Manufacturing accounting system e.Finished goods accounting system The sum of the first nine terms in a sequence is 49,205. Each term is 3 times the previous term. What is the third term? What was the name of a wax portrait mask?ImaginesLaraiumColumbariaReliefs PLEASE HELP!!!! Jul is using the graph of an exponential function to represent the value of an investment where x is the number of years Jul has owned the investment. Which statement correctly describes a key feature of the function? what are 3 types of biomes and give a brief description of one.please help i will give brainliest and 5 * and 10 points for the best answeri don't want to see an linkif i do you will be reported The equation for a parabola has the form y=az? + bz +c, where a, b, and care constants and a 70. Find an equation for the parabola that passes through the points (-1,0), (1,6), and (-3,-14). Answer: y = __ How did the oil industry alter Louisiana's environment?? A man supports himself and the uniform horizontal beam pulling the rope with a force T.The weights of men and the beam are 883 N and 245 N respectively.Calculate the tension T in the rope and the forces exerted by the pin at A. Solve the equation 6 +x/4 = 5Pls help A car dealership offers two types of discounts. Discount 1: Take 5% off the original price of a car built last year and then receive a$3,500 rebate. Discount 2: Take 10% off the original price of a car built this year and then receive a$1,250 rebate.A customer is deciding between two cars. Car R was built last year and has an original price of $25,340. Car S was built this year and has an original price of $22,860.Based on this information, which statement is true?A The customer would pay $19,324 for Car S.B The customer would pay $24,073 for Car R.C The customer would pay $21,824 for Car S.D The customer would pay $23,107 for Car R. ill put this up for 50 just please someone help me. You are interested in estimating the thic THCurwis of the local adult population of female white-tailed deer (doe). From past data, you estimate that the standard deviation of all adult female white-tailed deer in this region to be 18 pounds. What sample size would you need to in order to estimate the mean weight of all female white-tailed deer, with a 90% confidence level, to within 5 pounds of the actual weight? plssss helpuse the property that it says to solve the proportion ty Please help meee! I will give brainleiest!