which expression would be easier to simplify if you used the associative property to change the grouping? a. (27 + 4.5) + 1.5 b. - 1/2 + {(-5/3) + (-7/3)} c. (3/2 + 5/2 ) + (-1/4) d. 14 + (20 +80)

maybe showing the graph would

step-by-step explanation:

-387129 iq

just take the area of the square and then the area of the circle then subtract the circle area from the squares area

step-by-step explanation:

could you provide figure.

363 square inches

step-by-step explanation:

surface area of a pyramid is b + 1/2ph

b is the area of the base: 11 x 11 = 121

p is the perimeter of the base: 11 + 11 + 11 + 11 = 44

h is the height of the pyramid: 11

121 + 1/2(44)(11)

121 + 242

363