Step-by-step explanation:
Solve by Subsitution

Replace this into the second equation


Write in standard form

Use the quadratic formula, and our answer will be
(6.97,43.02)
(43.02,6.97)
13.5 inches, because if you add 4.5x4 or 9x2 it equals 18, then you just subtract 4.5 from 18 and it’s 13.5
I think it is 17 because it is non zero
Answer: 8 years
Step-by-step explanation:
1 year: 27,000
2 years:24,000
3 years:21,000
4 years:18,000
5 years: 15,000
6 years:12,000
7 years:9,000
8 years:9,000
Answer:
B
Step-by-step explanation: