What is the y-coordinate of the vertex of the function y=2x^2+5x-8

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

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

The wheels of a bicycle have a diameter of 70cm. how many meters will the bicycle travel if each wheel makes 50 revolutions