Sammy needs $15,000 in order to afford to pay for his bills each year. He is going to invest in a savings account that promises an APY (Annual Percentage Yield) of 7%.
He wants to be able to retire and draw enough money to survive, without working,
for ten years. Rounded to the nearest penny, how much does Sammy need to have
before he can retire?

by definition, an arc subtended by a central angle of some given measure has the same measure. so .

207/8 is the right

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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the probability that a bird is green (.30) is true

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