A city water tank holds 20 gallons of water. A technician empties 25% of the tank. How many more gallons of water must be removed from the tank so that it has 2/5 of the water that it started with?

Find the average value of the function i = 15 (1 - e1/2t) from t = 0 to t = 4. A. 7.5 (1 + e-2) B. 7.5 (2 - e-2) C. 7.5 (2 + e-2) D. 7.5 (3 - e-2)

You flip a coin three times. a. what is the probability of getting heads on only one of your flips? b. what is the probability of getting heads on at least one flip?

Give 3 numbers whose product is about 9000

what value of t satisfies the equation t/8-3/4=9/16

47) Courtyard Hospitality Travel pays its employees $16 per hour plus 7.5% commission on all trips booked. Valerie worked 20 hours last week and booked trips amounting to $2,650. What is Valerie's gross pay for last week?

Solve for x. s=3w+2x

Andre wants to save $40 to buy a gift for his dad. Andre's neighbor will pay him weekly to mow the lawn, but Andre always gives a $2 donation to the food bank in weeks when he earns money.

The sum of consecutive integers 1,2,3, ..., n is given by the formula 1/2n (n+1). How many consecutive integers, starting with 1, must be added to get the sum of 1081

Two lines that intersect to form right angles are called what? A. Skew lines B. Line segments C. Perpendicular lines D. Parallel lines

In the United States, the number y (in millions) of bicycles sold with wheel sizes of 20 in. or greater can be modeled by the equation y = 0.3x + 15, where x is the number of years since 1981. In what year were about 22 million bicycles sold?