
<u>Step-by-step explanation:</u>

Answer:
2x(x-4)
Step-by-step explanation:
2
-8x= 2(
-4x)= 2x(x-4)
5.25x + 3.50 = total
Constant is the value without an x
Co of variable is always before the x
All of these have no solution since x would be cancelled out before it can be solved.
Hope that helps!
Answer:
A. 89.84
Step-by-step explanation:
Weighed mean:
Sum of the multiplications of each value by its weight, divided by the sum of the weights.
Weights:
15 had an average of 90.
7 averaged 85.
10 averaged 93.
What is the weighted mean for the 32 students taking the exam?

Thus the correct answer is given by option A.