A sports ball has a diameter of 21 cm. find the volume of the ball.

Solve the equation 11=12-q

Express the number 9067.5 in scientific notation to 4 significant figures.

A bag has 2 blue marbles, 3 red marbles, and 5 white marbles. Which events have a probability greater than 1/5? Check all that apply.

What are the x and y - intercepts for the line 4 (y+3) = - 2 (x+6) ?

The formula v = 64h can be used to find the velocity v in feet per second of an object that has fallen h feet. Find the height of an object when the velocity is 44 feet per second. Round your answer to the nearest hundredth.

A painter needs to paint a circular helicopter landing pad that is 24 yards in diameter. A gallon of paint covers 59 square yards. How many full gallons of paint are needed to cover the landing pad?

Find the value of n such that x2-10x+n is a perfect square trinomial. A. - 5 B. 50 C. 100 D. 25

A taxi service has two rates, as follows: Rate A charges a flat $2.50 for every mile; rate B charges $15 plus $1.50 per mile. At least how many miles (expressed as a whole number) must one travel to make Rate B cheaper?

1. X = 2 - y X + 3y = 56

A number divided by 80 has a quotient of 7 with remainder of 4