Answer:
5.
Step-by-step explanation:
Answer:
The answer to number 7 is -1.25
The answer to number 8 is 1.25
Answer:
{(-2, 5), (1, -1), (2, -2), (5, 2)}
2.75 is 110%
2.75/1.1=2.50
Therefore, the main bill was two and a half dollars
16x^2+2-9x-3x^2-14x
= (16-3)x^2+(-9-14)x+2
= 13x^2-23x+2
