I am a quadrilateral with all congruent sides, but I do not have right angles. Who am I?

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

What are linear equations? could'ya explain too me, ? ! and how do you see what graph is a proportional relationship?

Solve the inequality 47.75 + x 50 to determine how much more weight can be added to li's suitcase without going over the 50-pound limit. what is the solution set?