Answer:
45/1
Step-by-step explanation:
90/2=45/1
45*2=90
We need to know the definition of the "combined function" h(x). I'm going to guess--by looking at answers--that the function is

making it

This function is undefined wherever the denominator is equal to 0 (division by zero is undefined). Factor the denominator.

The two values of x that make the denominator 0 are 3 and -3, otherwise written

.
to get an A, she needs >=160 points and she already has 125 points
let 'x' be the number of points on the last part of her project then
125 + x >= 160
x >= 160 - 125
x >= 35
Sarah needs at least 35 points on the last part of her project.
Answer: 3
Explanation: logarithm base 8 of 512 is 3
Kyle received 60/100 on his algebra test. If he scored 3 points, how many points was the test out of? Answer is 5.