Look at the picture please hell

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.

Solve for x where 0 equation: cot^2x+2cotx+1=0