What is this expression in simplified form. 3√3 x 6√6

Arestaurant chef made 1 1/2 jars of pasta sauce. each serving of pasta requires 1/2 of a jar of sauce. how many servings of pasta will the chef be bale to prepare using the sauce?

The tile along the edge of a triangular community pool needs to be replaced? ?

An equation in slope-intersept form the lines that passes thought (-8,1) and is perpindicular to the y=2x-17.