What is the greatest common factor of 72

and 18?

Find r (7) for the function r (n) = 0.009n

What is the answer for 20+30x0+1 = ?

What is reciprocal - 9/11

Do the lengths a=9, b=12, c=15 form a right triangle?

What is the x intercept for the equation - 2x+5y=-10

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.