Viet has a job mowing lawns. He earns $25 for each lawns he mowed. On Saturday, he mowed 5 lawns. On Sunday, he forgot how many lawns he mowed. He earned $300 for the two days. Viet wants to find how many lawns he mowed on Sunday. Set up and solve and equation which would provide Viet with the correct answer.

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank

Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0

Simplify using positive exponents only.