Which expression is equivalent to 2(a+3) when a=3?

a). 2(3)
b). 5(3)
c). 2(3)+3
d). 2(3)+6

D.  2(3)+6

Step-by-step explanation:

If 2 is multiplied by 3 twice, both numbers in the parentheses are 6. So the sum of the problem is 12 and the expression is 2(3)+6

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.

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step-by-step explanation:

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