Please help me oh 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

Somone me i want to know what 18 hours out of 24 hours in a fraction

Solutions for 2x+7 less than or equal to 3x-5