The answer is 89.14. 624:27
11) x = 110
12) x = 84
13) x = 180 - 100 = 80
14) x =111
15) x =125
16) x = 47
17) x = 53
18) x = 113
Simplify: 40y^3 - 8y^2 + 16y/8 y^2
40y^3 + -8y^2 + 2y^3
Combine terms: 40y^3 + -8y^2 + 2y^3
(40y^3 + 2y^3) + (-8y^2)
Answer: 42y^3 + -8y^2