How do i use gcf with this problem?

Can you write 1 + 5 + 7 = 13 as a multiplication equation?

Estimate the sum of 703 and 620

It's make-your-own-dish night at your favorite pasta restaurant. The restaurant offers 5 types of pasta and 4 different sauces. You get to choose one of each.

The product of two numbers is 10 times the value of 9 and 8. Which expression shows the two numbers?

When D is divided by 15, the result is 6 with a remainder of 2. what is the remainder when D is divided by 6?

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.