Reduce the fraction show your work plz

Evaluate 4 a for a = 5 2/3 . express your answer in simplest form.

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

Aportion of a hiking trail slopes downward at about an 84° angle. to the nearest tenth of a flot, what is the value of x, the distance the hiker traveled along the path, if he has traveled a horizontal distance of 120 feet? a. 143.3 b. 12.5 c. 120.7 d. 130.2