Which expression is equivalent to cos(3x) sin x?
a. 1/2[sin(4x)+sin(2x)]
b. sin(2x)-sinx
c.1/2[sin(4x)-sin(2x)]
d. sin(2x)+sin x

Which point is a solution to the inequality shown in this graph (-3,-3)(3,-1)

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

How do you solve a question like this?