Which of the following trigonometric inequalities has no solution over the interval 0 <= x <= 2pi radians?

Polynomial that can be factored as (3x-4)(3x+4)

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

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.