Answer:
H. 6x^2 + 7x + 49
Step-by-step explanation:
= 3x^2 + 14 - 7x + 6 + 29 + 3x^2 + 5x + 9x
Combine like terms
= 6x^2 + 7x + 49
Answer:
Step-by-step explanation:
y=5x+15
Unit rate is total price divided by total quantity:
Unit rate = 6.60 / 12
Unit rate = 0.55 each