Answer:
<h2>Q1. d. 5(x - 4)(x - 6)</h2><h2>Q2. b. (8x - 1)(8x + 1)</h2>
Step-by-step explanation:

We aer goint to eliminate the x's
multiply first by -5 and 2nd by 2
so that is B

The fixed cost is $150, while the per-student cost is $6.
Answer:
11x
Step-by-step explanation:
They have the same variable so just add the two numbers
Yes, as long as it's between the two numbers
51) -4 and 1
52) -1 and -3
53) -9 and -10