Help please i need ASAP

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

Parallelogram efgh is a rectangle. he = 6, and fe = 8. find ge: and find fj:

What is the solution for 6 - 7/8? explain the steps.