You invest $1 in a mutual fund. every 8 years, your money doubles. if you don't add more money, which expression shows how much your investment is worth after 48 years?

3x + 18 = 147°

step-by-step explanation:

3x + 18 = 147°, because the value of the central angle is equal to the value of the arc formed by it.

i hope i you.

i'm not really sure how to answer that

step-by-step explanation:

the answer to this is a. a^2 + b^2 = c^2

(5x-1)^2= (5x)^2-2(5x)×1+(1)^2=25x^2-10x+1