Is 16-7=4+5 true, false, or open?

Ifigured out the question and i dont know what to put here

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

Evaluate the expression. (9 + 5)(3 + 2)0