Question

I need help on 9 and 11 (evaluate)

Answer 1

Explanation:

8x +3y

8x can also mean 8 multiplied by x and vice versa to 3y

8(4)+3(-3)

(8×4)+(3×-3)

32+-9

23

Answer 2

Number 9 is 23 and number 11 is 27.
Also the app I am using is calculate 84 and it is great to use in math classes with bigger equations !