If there is a line and a point not on the line, then there is exactly one line through the point that intersects the given line? write it correctly

3. solve by graphing: y = 2x + 6 x + y = -3

What is r i 4.5+10r=-6.5 with work pls

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.