What is the diameter of 4.2cm

A dot ran from - 34 to - 66. What distance did it cover? If this run took the dot 5 minutes, what was the average speed?

Which of the following is the sum of the polynomials 5x2 - 4x + 1 and - 3x2 + x - 3? 2x2 + 3x + 2 8x2 - 5x - 2 2x2 - 3x - 2 -8x2 - 3x - 2

If a rectangular prism and a cylinder have the same height and volume, what is their cross sectional area parallel to the bases if the base of the rectangular prism has a length of 5 inches and a width of 2 inches?

Find the missing value:x^3=512

Three friends have 1/2 a pizza left. if they divide it evenly, what fraction of a pizza will each friend get?

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.