P(A)= .50, P(B)= .30, and P(A and B) = .15. What is P(A or B)?

Find the coordinates of point x that lies along the directed line segment from y(-8, 8) to t(-15, -13) and partitions the segment in the ratio of 5: 2.

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What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14