What's the decimal for 4 and 13/20

two square pyramids are similar. the sides of the bases are 4 inches and 12 inches. the height of the smaller pyramid is 6 inches. find the height of the larger pyramid.

The area of circle W is 289pi meters. what is the circumference

3. To which set of numbers does the product of the following numbers belong? 36 45 natural numbers rational numbers irrational numbers integers

51450:98 can u show me how

the temperature at noon on a monday in december was - 11°c. by noon on tuesday it has warmed by 17°c. what was the temperature at noon on tuesday

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.