I need help please !!

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers

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.

Which two angles in the figure are adjacent angles?