The temperature rises 5 degrees every hour the heater is on. The temperature started at 40 degrees before the heater was on. How many hours would it take for the temperature to reach 85 degrees?

Ill mark the brainliest if you me with the these three questions 7,8,9

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.