The sum of 2 numbers is 28. One number is 5 less than twice the other number. What are the numbers?

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Plzzz answer both questions and i will give you 100 points

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.