It takes Santa 5 minutes to fly 35 miles with the wind. It takes him 7 minutes to go 35 miles against the wind. Determine the speed of Santa’s sleigh in still air (x) and the speed of the wind (y)

Tamera puts 15/4 gallons of gasoline in her car. which mixed number represents the gallons of gasoline? a) 2 3/4 gallons b) 3 1/4 gallons c) 3 3/4 gallons d) 4 1/2 gallons answer it's worth a lot of points!

Multiply. write your answer in simplest form. 3/8 x 5/7

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.