The answer is C!!!! hope this helps!
I’m hoping you are talking about:
Factor -1/2 out of -1/2x + 6
If so then the answer is
-1/2(x-3)
10% of 80 = 8
80 - 8 = 72
if they are 10% off, the contact lenses will cost $72
Answer:
-45
Step-by-step explanation:
Solve for x by simplifying both sides of the equation, then isolating the variable.