An ice cream cone has a radius of 3 inches and a height of 9 inches. what is the exact value of the volume of the ice cream cone? 81π in3 27π in3 9π in3 3π in3

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.