If $6000 is deposited at the end of each year into an annuity paying 6.5% compounded annually, how much will be in the account after 25 years? What is the total interest earned?
a. The value of the annuity is $
(Do not round until the final answer. Then round to the nearest dollar as needed.)
b. The interest is $
(Use the answer from part (a) to find this answer. Round to the nearest dollar as needed.)

answer: a video game has three difficulty levels: easy, medium, and expert. the game's scoring works in such a way that a player has to score a fixed number of points to advance to the next level, and then the scoring starts over. the total score needed to clear all three difficulty levels is 7,500. two times the number of points needed to clear the easy level is 500 more than the number of points needed to clear the medium level. twice the number of points needed to clear the medium difficulty level is 1,500 more than the number of points needed to clear the expert level. if x, y, and z represent the easy, medium, and expert levels, respectively, and a is the coefficient matrix of the system of equations modeling this situation, identify the inverse matrix, a-1, and the solution matrix, x, of the system of equations.

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rauschg

rauschg · hand

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step-by-step explanation:

first one because it can't have a fraction in it

step-by-step explanation: