You received $2500 in gifts on your first birthday. You parents decided to invest the amount in hopes that it would reach $5200 on your 18th birthday (17 years later). What would the annual interest rate need to be to reach this goal, if it was compounded semi-annually?

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

they can both be solutions depends on the equation

step-by-step explanation:

what is the equation? ?

3/20

step-by-step explanation:

well, there are 20 outcomes, and 3 of them you want. so, 3/20

3

step-by-step explanation:

because where the point where the 2 lines intersect is (3,-1) the x value is 3