there are 28 students in class. Of 15 decide to go to a movie the weekend and 20 decide to go to the zoo, what is the smallest number that went to both the movie and the zoo?

Bag A contains 3 white marbles and 2 red marbles. Bag B contains 6 white marbles and 3 red marbles. A person draws one marble from each bag. Find the probability that both marbles are white.

Trent has an 6-foot tall tent in the shape of a square base pyramid with a base length of 14 feet and slant height of 8 feet.

If you add or subtract two rational numbers, is the result sometimes, always, or never rational?

Jose can jog 1 1/3 miles in 1/4 hour. Find his average speed in miles per hour

Which division problem is equivalent to 2/5a. 5. divide 5 by 2c. cut 5 equal sections from a 2 foot long ribbond. split 5 cups of yogurt into 2 equal servings?

Pete is purchasing an mp3 player for 199.90 he gives the sales clerk 2 fifty dollar bills, 4 twenty dollar bills and 4 five dollar bills how much should he receive back

Jina is saving money to buy a game. So far she has saved $36, which is three-fourths of the total cost of the game. How much does the game cost?

3200 dollars is placed in an account with an annual interest rate of 5.25%. To the nearest tenth of a year, how long will it take for the account value to reach 13400 dollars?

The Empire State Building in New York City stands 1250 feet. What is the equivalent in meters?

What the height of a cube if the volume is 729centimeters to the third power