The perimeter of a triangle is 7a-11b. if two of its sides are 2a+b and a-9b, what is the third side?

Given the graphed function below which of the following orders pairs are found on the inverse function

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?