Solve the following equations by using elimination of addition

6.7x + 3.2y=2.6

.8x +.5y = 2.34

Find the percent of change the original cost was 50. And the new cost is 60

Marty's cat weighs 10.4 pounds. this is 24.4 pounds less than the weight of his dog. write and solve a subtraction equation to find the weight of marty's dog.

Booker own 85 video games. He has 3 shelves to put the games on. Each shelf can hold 40 video games. How many more video games do he have room for

A baseball pitching machine stands about 2 feet tall and throws a baseball upward at a velocity of 50 feet per second.

Amber cut a 27-inch board into some shorter boards. each shorter board is 9 inches long. how many shorter boards are there?

One cubic foot of sand weighs 100 pounds. a square sandbox with 5 foot sides has half of a foot of sand in it. How many pounds of sand is in the sandbox holding/11959203/4f2c14a5? utm_source=registration

Which sequences are geometric sequences? Check all that apply

The ratio of dogs to cats at an animal shelter is 7 to 5. how many cats are at the shelter if there are 42 more dogs than cats, how many cats are there in the animal shelter

How many different ways can the first 12 letters of the alphabet be arranged?

The sum of two numbers is 50 and the difference is 14. What are the numbers?