How do you recognize a central angle of a circle

Dena's softball team can win (W) or lose (L) each game. Which of the following are elements in the sample space for 2 softball games?

60mph = how many kilometers per hour?

What is the gcf of 42 and 84

Bryan has been to a water park 4 times. Sarah has been to the water park three times as many times as Bryan. How many times has Sarah been to the water park?

What is the product of 9,874*7=

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.