If the half-life of a substance is 2 days, what is the amount of substance left at the end of 4 days?

Between the hours of 10 a. m and 6 a. m the temperature decreases an average of 3/4 of a degree per hour. how many minutes will it take for the temperature to decrease by 5°F?

Paul and Dave are trading baseball cards. Dave is offering Paul a chance to pick one card at random from his collection of rare and expensive cards. Dave's cards include 5 pitchers, 2 catchers, 3 first baseman, and 2 outfielders.

The mixed number 4 4/5 is equivalent to a fraction with a denominator of 5. 4 4/5 = ?/5 What is the missing numerator in the equivalent fraction? A.) 9 B.) 13 C.) 20 D.) 24

Mary earned $97.50 in 6.5 hours. If Mary works for 8 hours, how much can she expect to earn?

28,439,043 in a word form

Abby's weight has triped since her first birthday. if w represents the amount abby weighed on her first birthday, write an expression to show how much abby weighs now

Nevaeh mowed 2 lawns in 4 hours. What was her rate of mowing in lawns per hour?

A bookstore sells 4 fiction books for every 1 non fiction book it sells which statement is true A. For every 7 fiction books sold 4 nonfiction books are sold B. For every 25 fiction books sold 3 non fiction books are sold C.

Turn 276% into a mixed number

11,760,825 in expanded form