Simplify.

7/8+(−2/3) divided by
5/6

Given the following statements, which is the best

Given: x + y = 6. if xe (-15, -6, -1), then which of the following sets of ordered pairs are solutions? © {(-15, -21), (-6, -12), (-1, -7)} [(-15, 21), (-6, , 7)} {(-15, 21), (-6, 12), (-1, -7)}

If value of cos330° is √3/2 then find tan165°.