PLEASE HURRY ILL MARK BRAINLIEST IF YOUR ANSWER IS CORRECT Which answer shows the meaning of "taking the square root" of a number?

a. doing the inverse of squaring the number
b. dividing the number by itself
c. multiplying the number by itself
d. dividing the number by 2

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.