Group like terms , factor out common variable.
(xz+x) + (yz+y)
x(z+1) + y(z+1)
factor out (z+1)
= (z+1)(x+y)
= solution C.
Two angles that added together equal 90 degrees
Answer:
Surface Area = 82.8 square meters
Volume = 37.96 cubic meters
Surface area:
6 × 2 = 12
9 × 2 = 18
8.8 × 6 = 52.8
12 + 18 + 52.8 = 82.8
Volume:
6 × 2 × 9.49 = 113.88
113.88 ÷ 37.96