Solve both these special right triangles (urgent)

Determine whether the angles in each given pair are coterminal. 744°, -336°

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period.value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps