Your key word is divide. You'll want to divide your 6 pizzas by your four friends, than most likely convert it to a fraction (unless your teacher accepts decimals.), message if you need more help.
Answer:y=-3/5X-9
Step-by-step explanation:
use the formula y=mx+b and plug in your x, y and your slope (m), b is the unknown so you get everything to one side and b by itself so it’s -9 then you plug that all back in
23^(a+b). 23 raised to the power of a+b