an online clothing company sells custom sweatshirts. the company charges $5.50 for shipping plus $8.50 for each sweatshirt. linear function rule that models the total cost y (in dollars) for any number of sweatshirts x. when there is a single shipping charge, the linear function rule is y equals?

The bottom of ignacio's desktop is 74.5cm from the floor. ignacios sits in his adjustable chair, and the tops of his legs are 49.3cm from the floor. each clockwise rotation of the knob on the chair raises ignacio's legs by 4.8cm. write an inequality to determine the number of clockwise rotations, r, ignacio could make with the knob without his legs touching the desk.