Answer:
B
Step-by-step explanation:
16 feet, 18 feet, and 25 feet.
y = 40x + 20
7 + 8(2r - 9)
mutiply the bracket by 8
(8)(2r)= 16r
(8)(-9)= -72
7+16r-72
7-72+16r ( rearranging)
answer:
-65+16r or 16r-65
