3x2 pls need help pls pls pls pls pls pls pls pls

Let w=23 . what is the value of w + 45 ?

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 statement is true? 2x^2-9x+2=-1