Answer:
Step-by-step explanation:
You are stupid
Answer: 84
<u>Step-by-step explanation:</u>
Set up a proportion as follows: 

Cross multiply: 12x = 7 × 144
Divide by 12: x = 7 × 12
Simplify: x = 84
Your answer would be x^2 - 3x + 15
Answer:
B
Step-by-step explanation:
