Simplify fully root8 x root18

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

Rectangle leg this 11feet and perimeter of 38feet what is the width of the rectangle in feet

Solve 2x+y=3 x+y=5 in substitution method