How many different selections of 4 books can be made from a bookcase displaying 12 books?

What is the rate unit of 42.5

There are 10 less trumpet players than saxophone players. The number

A gas under 12 pounds per square inch pressure has a volume of 5 liters. What pressure will result in a volume of 4 L?

Our school swimming pool is 25 m long. If our coach wants us to swim 3 kilometers how many lengths of pool will we need to swim?

What is the solution to |3x+5|=5x+2

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.