The graph shows the height y, in feet, of a balloon that is launched from a platform 13.5 feet high, as a quadratic function of x, the time in seconds. What is the domain of this function in this situation? A) 0 ≤ y ≤ 43.5 B) 0 ≤ x ≤ 54 C) 13.5 ≤ y ≤ 43.5 D) 14.5 ≤ x ≤ 54

Yes, two vertical lines can be complementary

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.