Cassandra is buying sand for her daughter's sandbox in the backyard. She wants to find the best deal. Which is the Best Buy and why, "A" sand or "B" sand?

Does anyone know how to do geometryme with this problem

Select 2 statements that are true about the equation y+6=-10(x-3).1) the slope of the line is -102) the slope of the line is 33) one point on the line is (3,6)4) one point on the line is (3,-6)

If the value of cos330°is√3/2 then find cos 165°.