Write an equation to find X. Make sure you use an "=" sign in your answer.

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

Use sigma notation to represent the following series for 9 terms.

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.