How many cms are in an inch?

If m = and n=, calculate m+2n

A pyramid with a base are 16 sq cm and height 30 cm

175m-125m+43650=46125-175m

Anson's gasoline storage tank holds 950 liters of gasoline and his tractor holds 150 liters. How many times can he completely fill up his tractor before he must refill his storage tank? Round your answer to the nearest whole number.

What is the expanded form for 6 x 532=

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.