A grocer sells 40 1 of oil for the cost price of 42 l, find his gain percent.

If 90° < θ < 180° and cotθ = -1/3, then cscθ =

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

When x = 3 and y = 5, by how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y ?