7 + 28n + 4
28n + (7 + 4)
28n + 11
Answer:
C. 28 ft³
Step-by-step explanation:
The general formula for the volume of a pyramid:
V =
, where B = the area of the base and h = height of the pyramid
Since the base is a rectangle, we can find area using the formula:
A = l x w or A = 3 x 4 = 12 ft²
Using B = 12 and h = 7:
V = 
V = 28 ft³
Answer:
40
Step-by-step explanation:
4 x 10= 40
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Answer:
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Step-by-step explanation:
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