the graphs shows the distance between shelbys house and fee of her friends houses. each unit on the graph represents one mile. if shelby is going to visit a friend who lives less than 12 miles away, whos house is she going to?

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.