Half of allan's test score plus eight equals 50. what is the equation?

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

Find the center of the circle that can be circumscribed about efg with e(4,4) f(4,2) g(8,2)