Answer:
C
Step-by-step explanation:
So 12 more than half the regular price.
let's let

be the original price.

right?
Now you just have to solve from there.
Answer:
3:4
Step-by-step explanation:
find the GCD of both numbers (30) and divide both sides to get 3:4
Answer:
binomial
Step-by-step explanation:
A binomial is a polynomial with 2 terms
5a+2b has two terms
4(5x - 2) - 2(9 - 3x)
= 26x - 26