(4) prove that if a1, a2, an and b are sets, then (aj – b) n(a2 – b) n (an – b) = (an an n an) – b.

Gregory draws a scale drawing of his room. the scale that he uses is 1 cm : 4 ft. on his drawing, the room is 3 centimeters long. which equation can be used to find the actual length of gregory's room?

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol

Construct the graph that models the given situation