Arectangular billboard is 7 2/3 yards long and 4 yards wide. what is the area of the billboard?

Acar dealership pays you 5% commission on your first $10,000 on car sales and 8% commission on the sale amount over $10,000 if you sold a $12,000 car how much is your commission

What is the length of the unknown leg in the right triangle ?

What are the sotions to the quadratic equation 9x^2=4