Which inverse operation would be used to verify the following equation? 54 ÷ 9 = 6 a. 9 − 6 = 3 b. 54 ÷ 6 = 9 c. 9 × 6 = 54 d. 9 + 6 = 15

2y= 3 2 x−2 y = − 1 3 x + 1 y=− 3 1 x+1

Abag contains 10 white golf balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped gold balls to remain the same. how many of each should he add?

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.