one pump can drain a pool in 12 minutes. when a second pump is also used, the pool only takes 5 minutes to drain. how long would it take the second pump to drain the pool if it were the only pump in use?

Justine has 162 red buttons, 98 blue buttons, and 284 green buttons. She says she knows she has more than 500 buttons without adding. Do you agree?

Describe the number and type of roots for the polynomial. (how many real and complex?) x^3+5x^2-4x-2=0

What is the length of the hypotenuse, x, if (12, 35, x) is a Pythagorean triple? 33 37 47 58

Two angles are supplementary and one of the angles is five times the smaller angle, what is the measure of the larger angle

The warehouse already has 27 pallets of stock waiting to be unloaded, and the delivery van arrives with another 8. The warehouse has room for 32 pallets, how many extra pallets will there be?

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.