If 15 - (2x + 7) = 14 then what's the value of x

Is 7/0 an irrational, rational, or not a real number

Estimate the length of one side of a square floor, if the area is 320 square feet. Give the whole number that is closest to the amount. A. 17 ft B. 18 ft C. 19 ft Estimate the length of one side of a square floor, if the area is 320 square feet.

Write two ratios that are equivalent to 9/12

Do 84 tens make the number 840

Greg made 2/3 gallon of lemonade and plans to share it equally among 4 friends. How much lemonade will each Friend get?

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.