Please help I need to pass this please please

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

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

Which of the following graphs could represent a quartic function?