Respuesta :

Answer:

1) -20.5

-8

4.5

13

2) 9

4

-1

-6

3) 2

4

6

8

Step-by-step explanation:

plug in the x values, then use pemdas

Plug in x where it saids (input, x) into the number for example 2.5x and minus 8 to find for y. :)