What is the solution to this equation? x+9=-4

What is the answer A library contains 2000 books. There are 3 times as many non fiction books as fiction books. Write abd solve a system of equations to determine the number of non fiction and fiction books.

What's the simplist form for the decimal 2.11

Find the least number with factors 11, 23, and 37.

If map shows 2 inches equals 25 miles what is a 1/4

The hypotenuse is always adjacent to the 90 degree angle. True or False?

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.