An aquarium holds 6 1/4 gallons of water. The water level has dropped to 4/5 of this amount. How much water should be added to fill this aquarium?

The local drugstore offers its employees a 15 percent discount on their prescriptions. If Lucy, an employee at the drugstore, filled $70 worth of prescriptions, what would her discount and final price be?

Calvin and Melvin are two of Santa's elves. The number of toys they build is given by 11c+8m where c is the number of candy canes Calvin eats for breakfast and m is the number of candy canes Melvin eats for breakfast.

In an experiment using 30 mice, the sample proportion of the mice that gained weight after a drug injection is 0.65. What is the 99.7% confidence interval for the actual proportion in the population? a) between 0.602 and 0.697 b) between 0.563 and 0.

When working with pie charts, what should the sum of the pieces equal?

If I make $7.25 a hour and I work for three days how much money is that every two weeks

There are 3 strawberry ice creams, 4 chocolate ice creams, and 7 vanilla ice creams on a tray. barbara selects 2 ice creams at random without replacement. what is the probability that she selects 2 chocolate ice creams?

Sandy works at a store that sells clothing accessories. The supply function for scarves is P = Q-9, where Pis the price and Q is the quantity of scarves. If Sandy sells the scarves for $12 apiece, how many scarves will the store supply?

Store A: $25 for a 45 minute lesson Store B: $30 for a 1 hour lesson Store C: $45 for a 1.5 hour lesson Store D: $80 for three 1 hour lessons Julie wants to purchase swim lessons for her son. There are four different stores that offer swim lessons.

What percent of 123 is 140

What is a fraction of a pound in ounces?