How many gallons of a 90% antifreeze solution must be mixed with 100 gallons of 30% antifreeze to get a mixture that is 80% antifreeze?

A laptop computer is purchased for $1100. After each year, the resale value decreases by 25%. What will the resale value be after 3 years?

An experiment consists of randomly drawing a cube from a bag containing three red and two blue cubes. List the probability of each outcome in the sample space.

Find the distance between y=4x+2, y=4x-3

The base of a triangle is 10 inches its height is (x 4) inches. its area is no more than 56 inches squared what are the possible integer values of x?

A planet has 5 moons. the moons were in alignment on 1/1/17 at exactly midnight. calculate the next date and time that the moons will be in alignment again

Students were asked how many pairs of shoes they owned. Their responses were 8, 2, 1, 5, 7, 6, 2, 2, 8, and 3. urs the The mean of the data is

Convert. 0123 to a percent

Joe's house is 5.5 km from the creek, the distance between Jane's house and the creek is twice as far as Joe's house how much further is Jane's house from the creek than Joe's house in meters metric

John had 84 dollars, and his brother Fred owed 12 dollars to his friend. John gave his brother some money. Fred paid his debt and now both of them has the same amount left. How much money did John give Fred?

True or false: dilations map angles of the same degrees