In math what is the GCF of 42 and 72

In our Solar system six of the eight planets have moons what percentage of the planets have moons

A rectangular bedroom floor had an area of 100 square feet abd a length of 10 feet. what is the perimeter of the floor?

Elena says she needs 263 plastic sleeves for her comic book collection. She has 1,056 comic books. Each sleeves holds 4 comic books. Do you agree with Elena? Explain your reasoning.

A minivan can hold up to 7 people how many minivans are needed to take 45 people to a basketball game?

The number of hours, h, it takes for a block of ice to melt varies inversely as the temperature, t. If it takes 2 hours for a square inch of ice to melt at 70 degrees, find the constant of proportionality

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.