Find the missin number blank : 7 = 12:21

What does distributive property combine to make multiplying whole numbers simpler

The perimeter of the rectangle is 54cm. The area of the same rectangle is 1176cm^2. What are the dimensions of the rectangle?

Simplify 1/3 (-32.48-14.02)

A bicycle helmet cost $41.40 in 1983. What will a bicycle helmet cost when the CPI is 186? Round to the nearest cent. a. $222.58 b. $144.60 c. $77.00 d. $72.30

The diameter is 18 yards round to the nearest tenth

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.