Find the solution to the system of equations by using graphing or substitution y=2x-1 and y=x+3

Which of the following properties can be used to show

Can (3,5 and square root 34) be sides on a right triangle?

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