PLZ HELP I HAVE TO FIND X FASST

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.

The statement tan theta= -12/5, csc theta=-13/12, and the terminal point determained by theta is in quadrant two