What are the common factors of 15 and 40

System of equations problem: From 1970-1990, the average annual per person consumption of whole milk in the US dropped from 103 to 43 quarts. the average annual consumption of low fat milk rose from 25 to 60 quarts.

What is the value of (3 with an exponent of 2 + 1) - 14 divided by 2

If 1 inches is equal to 2.54, convert 36 inches to centimeters

What is 3x-6x+2 = 8x+20-5x

Ask multiplecation facts

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.