a bag has 2 blue marbles, 3 green ones and 1 brown marble. outcome a is drawing a blue marble on the firsts draw. outcome b is drawing a brown marbl on the second draw without replacing the first marble.
what is p(b|a)?
answers:
1/2
1/3
1/4
1/5
1/6
1/7

What multiplys to be 1 but adds up to be 4

Look at this system of equations. -3x + 3y = 12 y = x + 4 the solution set of this system is best explained by which of these statements? a) the graphs of the equations are the same line because the equations have the same slope and the same y-intercept. the system has infinitely many solutions. b) the graphs of the equations are parallel lines because they have the same slope but different y-intercepts. the system has no solution. c) the graphs of the equations are lines that intersect at one point because the equations have the same slope but different y-intercepts. the system has exactly one solution. d) the graphs of the equations are lines that intersect at one point because the equations have the same slope and the same y-intercept. the system has exactly one solution.

If the equation of a perpendicular bisector of a triangle is y = 2x + 7, what is the slope of the side that it is bisecting? explain how you know.