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
Answer:
g(a+b) = 3a² + 3b² - 6ab - 2a - 2b - 1
Step-by-step explanation:
<u>Given, function:</u>
<u>For the domain x= (a+b), the g(x) is:</u>
- g(a+b) = 3*(a+b)² - 2(a+b) - 1 = 3a² + 3b² - 6ab - 2a - 2b - 1
- g(a+b) = 3a² + 3b² - 6ab - 2a - 2b - 1
Answer:
929,975 (C)
Step-by-step explanation:
Hope this is right. it should be cause i had to do this and i got it right
For your first question the answer is C(-2) and your next question the answer is A(-28)