Which value is equivalent to 3^2+5x2-8

The slope of a line is –2 and its y-intercept is (0, 3). what is the equation of the line that is parallel to the first line and passes through (2, 2)? a. 2x + y = 6 b. y = –2x + 3 c.y=1/2x +6 d.y=-2x-6

If angle 2=3x +1 and angle 3=2x +4what is angle 2

If the value of cos330°is√3/2 then find cos 165°.