3/4 the difference of a number and 3

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 5x^2 + 10x

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?