What do you use to measure the volume of a cup

Which choice represents the sample space ,s for this event

Lindsay used two points, (x, y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

Find the difference (8ab+a+2) - (3ab+6)