These are just homework questions. Please don't delete. 4cosθ - 2 = 0
2sin²θ - sinθ = 1

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4

The holiday party will cost $160 if 8 people attend. if there are 40 people who attend the party, how much will the holiday party cost

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?