What is b in the equation b-8+2b=20

The vertex of this parabola is at (-2, 5). which of the following could be it’s equation? a. y=3(x+2)^2-5 b. y=3(x-2)^2-5 c. y=3(x+2)^2+5 d. y=3(x-2)^2+5

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

41/17 as a decimal rounded to the nearest hundredth