Mr. Barclay sold goods for $21 and lost a percent equal to the number of dollars he paid for the goods. How much did the goods cost him?

A card is selected randomly from an ordinary deck of 52 cards. what is the probability of getting king queen?

Two chemicals X and Y are to be mixed together to achieve a 16ml solution that is 7.4% water. Chemical x is 5% water and Y is 9% water. How much Y should be used in the mix?

If the equatorial diameter of the sun is 1.39 million km how many kilometers is the sun's radius

Ari stocks shelves at a grocery store. He puts 35 cans of juice in each display case. The case has 4 shelves with an equal number of cans, and one shelf with only 3 cans. How many cans are on each of the equal shelves?

Principal by the expression (X^ 1/8) (x^3/8) is 12which is a possible value of x

The football fields at three different schools were measured, and it was found that their perimeters were 320 m, 360 m, and 400 m.

Where is 7/2 on the number line

How many extraneous solutions does the equation below have? (2m) / (2m+3) - (2m) / (2m-3) = 1 0 1 2 3

If you drive 60 miles at 90 miles per hour, how many minutes will the trio take you?

Can a 14 inch umbrella fit inside a suitcase that has dimensions of 9" x 12"? Explain.