Abag contains 11 green marbles, 17 red marbles, 23 yellow marbles, and 34 blue marbles. diego randomly chooses a marble from the bag. what is the probability that he will choose a red or blue marble? write your answer as a decimal.

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32

Which is the focus of a parabola with equation y2=4x

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.