Given P(4, -3) & R(6, -2), find the slope of PR. Show your work.
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Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.