16.1 gallons/day = ? Quarts/hour

Lois and clark own a company that sells wagons. the amount they pay each of their sales employees (in dollars) is given by the expression 12h+30w12h+30w where hh is the number of hours worked and ww is the number of wagons sold.

The measure of an angle is 117°. what is the measure of a supplementary angle?

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