Kate spent a total of $15.45 on a trip to the movies. she spent $5.00 on a bus fares to and from the movies and $3.95 on snacks. how much did she spend on her movie ticket?

How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?

How many ordered pairs of positive integers satisfy xy=32?

Acone is placed inside a cylinder. the cone has half the radius of the cylinder, but the height of each figure is the same. the cone is tilted at an angle so its peak touches the edge of the cylinder’s base. what is the volume of the space remaining in the cylinder after the cone is placed inside it?