What is km?
And if you can tell me how you got your answer :)

The table shows the height in feet of several students in miss patel’s class

Ranck the following in order from least precise to most precise

The bottom of ignacio's desktop is 74.5cm from the floor. ignacio's 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