Describe the two equations:
y=-3x + 2 and y = 2x - 3

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?

If value of cos330° is √3/2 then find tan165°.

8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?