HELP THIS IS URGENT The cost of renting a jet ski over a certain number of hours can be represented by the equation y=40x + 50. If Aaron paid $290, how many hours did he rent a jetski?

Determine which postulate or theorem can be used to prove that lmn =nmo

1. a music store marks up the instruments it sells by 30%. a. if the store bought a guitar for $45, what will be its store price? b. if the price tag on a trumpet says $104, how much did the store pay for it? c. if the store paid $75 for a clarinet and sold it for $100, did the store mark up the price by 30%?

Which expression represents the total amount of money that denise and stacy spent at the carnival