If you cut a rectangle into 2 identical triangles what type of triangles will they be

Given the graph below state whether or not the relation is a function, and give the domain and range.

Solve the system of equations. y= 2x y= x^2 - 15

Ifurniture stores having a weekend sale and is offering 20% discount on patio chairs and table the sales tax on furniture is 6.25 using function composition how can you represent the total amount a that you would need to pay for this furniture that cost x dollars