How many square roots does the number 20 have?

The perimeter of a rectangular wooden deck is 90 feet the decks length l is 5 feet less than 4 times it's with, w. Find the length and width of the wooden deck

At the baseball field a bag of candy is 2.50 and a bag of popcorn is 4.25. Roman is planning to purchase 3 boxes of candy and x bags of popcorn. Write an equation to find y, the total price roman must pay.

What number is 256% of 21.5

Frank and Lynn are co-workers getting paid the same salary. They both decide to quit their jobs and start going to school on the same day. Frank gets a degree after just 18 months and spends $6,500 dollars on his education.

Convert 89% as a decimal

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.