I need help I'm in high school algebra 2 and I have a quiz that I need to pass I need someone to help me. Its about adding and subtracting radicals. Can anyone help

The trigonometric ratios sine and secant are reciprocals of each other

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take

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.