3) A sample space consists of ten elements, S = {a, b, c, d, e, f, g, h, i, j}. If we let A = {a, b,c}, B = {d, e, f}, C = {f, g}, and D= {h, i, j), determine whether the events A, B, C, and D are or are not mutually exclusive.
Briefly explain your answer.

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 an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

What is r i 4.5+10r=-6.5 with work pls