If two events a and b are mutually exclusive, what does the special rule of addition state? p(a or b.= p(a) + p(b) p(a and b.= p(a) + p(b) p(a and/or b.= p(a) + p(b) p(a or b.= p(a) - p(b)

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?

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

Which one ? is the answer and how to find this answer