Is the square root of 20 the same thing as 20

1) - 2a - 3 = 8 - 8a

It takes 36 minutes for 7 people to paint 4 walls. How many minutes dose it take for 9 people to paint 7 walls?

Kathleen lost a tooth today. Now she has lost 4 more than her sister cara lost. 1. Write an expression to represent the number of teeth cara has lost. Let k represent the number of teeth Kathleen lost. 2.

A tabletop in the shape of a rectangle has an area of 36 square inches and a height of 8 inches. What is the length of the base

Write 12 cubed in exponential notation, expanded form and standard form

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.