Debra tutors history. For each hour that she tutors, she earns 50 dollars. Let E be her earnings (in dollars) after tutoring for H hours.

Write an equation relating E to H . Then use this equation to find Debra's earnings after tutoring for 19 hours.

Solve the system of equations. y= 2x y= x^2 - 15

The total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.