Which equation can be used to find the volume of this solid?

A triangular prism. The triangular base has a base of 11 inches and height of 7 inches. The height is 9 inches.
V = 11 times 9 times 7
V = 11 + 9 + 7
V = StartFraction 7 + 9 over 2 EndFraction + 11
V = StartFraction 7 times 11 over 2 EndFraction times 9

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.