Solve the equation for x. 2/3(x-7)-4x=5(8-4x)+.8x

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

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?

Allen's goal is to have between 1,500 and 1,600 bottles in his collection. write and solve a compound inequality to determine the number of weeks it will take allen to reach his goal. show your work. *