If events A and B are independent, what must be true? P(A|B) = P(B)
P(A|B) = P(A)
P(A) = P(B)
P(AJB) = P(B|A)

Lorne subtracted 6x3 – 2x + 3 from –3x3 + 5x2 + 4x – 7. use the drop-down menus to identify the steps lorne used to find the difference.

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

Graph the linear function using the slooe and y intercept