How many times greater is one hour than one minutes

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!

Percent increase and decrease. original number: 45 new number: 18

Aright cylinder has a diameter of 8 m and a height of 6m. what is the volume of the cylinder