(2, 6) is a solution to this system:

x + y = 8

3x - y = 0

true

false

True. Just plug the number in for x and y. X being the 2 and 6 being the y. Let's start with the first equation 2+ 6=8. This is true. Next equation. 3(2)-6=0 , 6-6=0. This is also true. So (2,6) is a solution

Answer for 2: his profit would be $2.88 explanation: you have to first multiply 72 and 0.12 together to get $8.64 once you do that you know how much money the shopkeeper made from selling the candy bars individually. so you have to do 8.64-5.76=2.88 hope that ; )answer for 3: yeah i’m sorry i have no idea what number 3 is. i’m sorry i couldn’t with that.