Find the area of the rectangle contained within the following four lines x =1, x = -2 , y= -3, y=2

Abike shop sells you a bicycle for $63 and a helmet for $21. the total cost is 150% of what the shop spent originally. how much did the shop spend originally? how much profit did the bike shop earn by selling the bicycle and helmet to you ?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?