Wil give brainliest if its correct

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 is the solution set of the quadratic inequality x^2-5< or equal to 0

Describe how making an ‘and’ compound sentence effects your solution set