Is 21 a multiple of 6

Jim has 2 times as many baseball cards as bob. Together they have 15 baseball cards. How many baseball cards does Jim have?

A blueprint for a rectangular pool is drawn using a 1:75 scale. On the blueprint, the Pool is 4:75 inches. How long is the actual pool?

The number of times a group of middle aged men have been to the gym in the past year is normal distributed with a mean of 33 times and a standard deviation of 8 times.

What is the greatest common factor of 3x4, 15x3, and 21x?

An airliner travels 35 miles in 4 minutes. what is its speed in miles per hour?

A welder cut a piece of metal so that it fits tightly into its spot. The welder cuts 9/16 of an inch off the metal so that it measures 3 3/4 inches. What was the size of the original piece? a) 3 3/16 b) 3 7/16 c) 4 3/16 d) 4 5/16

Jojo, my cat, had eight kittens. Three were black with white spots. Four were all black. The last one was gray. What is the ratio of all black cats to the entire litter of kittens?

The sequence {} is defined by = 5 and what is the value of

A plumber has a 40-foot piece of PVC pipe. How many 11/5 foot pieces can be cut from the 40 foot piece?

Ben is planning to fence his rectangular garden the area of the garden is 50 square feet and the length of the garden is twice the width how many feet of fencing will he need