PLEASE HELP :) First to answer get brainliest

Which set of steps shows the solution to the equation 2y = -8?
1) y = -8 - 2; y = 6
2) y=-8=(-2); y = 4
3) y = -8 = 2; y = -4
4) y = -8 - (-2); y = -6

The domain of a function can be represented by which one of the following options? o a. a set of output values o b. a set of f(x) values o c. a set of input values o d. a set of both input and output values

Determine the standard form of the equation of the line that passes through (-2,0) and (8,-5)

Find the volume of the wedge cut from the first octant by the cylinder z=12-3y^2 and the plane x+y=2.