Area = (5x + 4)(4x - 4)
= 20x^2 - 20x + 16x - 16
= 20x^2 - 4x - 16 Answer
Its G
Answer:
7. A
8. C
9. C
10. A
Step-by-step explanation:
You just have to work each one out. This is very simple.
Answer:
295
Step-by-step explanation:
Answer:
Step-by-step explanation:
Given
span of bridge 
height of span 
Equation of Parabola

i.e.


length of Arc





-5m - 6 >= 24
Add six on both sides
-5m >= 30
Divide by negative five on both sides
m >= -6