Which one is bigger

Pi or |4|

Which is closet to the volume of a bowling ball with a diameter of 21.8 centimeters? and explain the answer

On Serena's tenth birthday her mom was 3 tines Serena's age. how old will Serena and her mom be when her Moms age 0.5 will equal Serena's age

A store marked down the price of a television from $800 to $600. What is the percent of decrease in price?

How do I make this easier to solve by hand? (937/1000) = (1594.5/x)

What does irregular mean on a shape

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.