5 hundreds times 10 for unit form

The circumference of a circle is 36/pi. what is the radius?

David received $50 dollars for working at his father's store. He spent $20 dollars at the movies, and $10 dollars buying comic books. After buying $5 worth of candy, he saved the rest.

Assume x = 5, y = 6, and z = 8. what is the value of the expression?

Kelly measured 12 teaspoons of a drink mix. She had a measuring cup showing fluid ounces. What equivalent amounts, in tablespoons and fluid ounces, could she have used?

What is the meaning of slope and they y-intercept?

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.