Which do you prefer- a.) an investment which gains 20% one year, and loses 20% the next b.) an investment which loses 20% then gains 20% or c.) keeping the money in a checking account where it earns 0% interest?

answer rather than having to add and subtract the measurements of the semi-circle, notice that the semicircle to the left of ad is actually identical in area to the blank semicircle-shaped space to the left of bc. so if we transferred the red semicircle into the blank space, we would end up with a square of side length 24 cm. the area of a square is s^2 = 24^2 = 676 cm^2.

u also answered this so i think u would know but i am here to

put in or use mine

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb

i did it myself and i got 4.2 (b) hope its right

step-by-step explanation:

step-by-step explanation:

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