What is the area of this trapezoid?

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

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Which of the symbols correctly relates the two numbers below check all that apply 6? 6