8a + 12a - 7b - 9b - 11a

How to combine like terms

Ellie ran 4x + 5 miles today and 3x - 2 miles yesterday. Is she ran a total of 31 miles, what is the value of x

What do you suppose is true about a sum added to its opposite?

Given - 4x/7 >10 find the solution set

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

What numbers can be rounded to 360 when rounded to the nearest ten

3 divided by 57 answer

What is 20x+5y=15 for y?

The next term of the sequence is 48. (2, 4, 8, 16, 32, ...)

A motorboat left a harbor and traveled to an island at an average rate of 10 knots. The average speed on the return trip was 10 knots. If the total trip took 4.0 hours, how far is the harbor from the island?

Which polynomial is in standard form? 1+2x-8^2+6x^3 2x^2+6x^3-9x+12 6x^3+5x-3x^2+2 2x^3+4x^2-7x+5