A = lw
7x³ - 42x² = l(7x²)
7x²(x) - 7x²(6) = l(7x²)
Answer:
the original number is 7
Step-by-step explanation:
7•4 = 28
28+12=40
55/4 or 13 3/4
Hope thats right
V=lwh, where V is volume, l is length, w is width, and h is height. Plug in and solve:
V=12(8.5)8
V=816
C) 816ft3
Hope this helps!!
