Alicia cashed her paycheck and used half her earnings to take 3 friends to dinner. she spent $42.15 on dinner and brought home more than $20.00. write an inequality to represent the sistuation, using x to represent the amount of alicia's paycheck

Liam's parents are driving three times as fast as liam is biking, but they left later than he did. if his parents caught up with him two hours after he left, how much later than liam did they leave?

Mary works for a company that ships packages and must measure the size of each box that needs to be shipped. mary measures a box and finds the length is 7 inches, the width is 14 inches, and the height is 15 inches. what is the volume of the box? [type your answer as a number.]

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?