How do you find the surface area of a sphere?

George drove 84 miles in 1 1/2 hours. If Bob continued to drive at the same constant rate, how many miles did Bob drive in 3 hours?

A refreshment jug for the baseball team holds 20 gallons of water to make an energy drink one cup of mix is used for every 2 gallons of water how many cups of the mix are needed to fill the jug with energy drink

A man wants to set aside $3600 at 8% interest compounded quarterly. Find the amount of money at the end of 3 years.

Write the following as an equation. Then solve. Twice the sum of a number and 2 is equal to three times the difference of the number and 3. Find the number.

How do you simplify 8/32

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.