What is the least common multiple of 42 and 9

Choose like terms: 3x, y, 2x

2 1/2 X 3 2/3 in simplest from

12 students have bikes half of the bikes are black one 6th of the bikes are silver one 4th of the bikes are red and the rest are blue how many bikes are there for each color

3 divided by 1/7 equals

Write and solve a word problem that can be modeled by addition of two negative integers?

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.