I really need help on this question, you get a good amt of points for it. plus The interval is 0 ≤ θ ≤ 2π
2cos²(x) + 3cos(x) - 2= 0

and

2sin²(x) -cos(x) -1 = 0

You can model the population of a certain city between 1955-2000 by the radical function p(x)=55,000 sqrt x-1945. using this model, in which year was the population of that city 220,000

The probability that a student graduating from suburban state university has student loans to pay off after graduation is .60. if two students are randomly selected from this university, what is the probability that neither of them has student loans to pay off after graduation?

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.