If ABCD is a parallelogram find the value of unknown size of angle

What is a possible solutions of the x> 3?

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

Which table represents a linear function? i'll give brainliest to first answer ^'^