If angle 1 equals x squared and angle 2 equals 90-x what is measurement of angle pqr

What is the equation of the graph below? y=sec(x)-4

Is there an x intercept in the equation 60*1.15^x

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.