What should you enter in your calendar or day planner before anything else

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

The figure shows the front side of a metal desk in the shape of a trapezoid. what is the area of this trapezoid? 10 ft²16 ft²32 ft²61 ft²