What's the greatest common factor of 60 and 90?

Lana's car averages 25 miles per gallon. what is the greatest number of gallons of gasoline that she will need if she travels no more than 450 miles?

You use 4 boxes of rice to serve 13 people. If you want to serve 39 people, what should you do? a) 3 times as many boxes of rice b) 12 more boxes of rice c) 4 times as many boxes of rice d) 26 more boxes of rice

Two or more basic geometic figures may be combined to form what

Which equation represents a direct proportion a. y = x-2 b. y = x + 2 c. y = 2:x D. y = 2x

300 times what gives us 200

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.