Answer:
A.
Step-by-step explanation:
(x − 7)^2=
=x^2 − 14x + 49
Answer:
After Two Hours.
Step-by-step explanation:
A simple way to do it is to:
1. Add 50+55, it is equal to 105. This is after one hour, so we know that it's more than this.
2. Add 50+55 to 105, This is after two hours, and we get 210, so we know that it has to be equal to 2 hours.
Answer: A
Step-by-step explanation:
You would plug in 4 for x.
f(4)= (4) - 6 = -2
2(3d+3)
multiply the bracket by 2
(2)(3d)=6d
(2)(3)=6
answer:
6d+6
