Answer:
a. 28.8
Step-by-step explanation:
Using the theorem of similarity, the following equation can be generated:
Solve for x
Cross multiply
Divide both sides by 25
x = 28.8
14=4x - 6
14+6=4x
20=4x
x=5
f(x)= 5x^(2)-10x-120
99.5
398 ÷ 4
infinite and no solutions