You randomly draw a marble from a bag of marbles that contains 8 blue marbles, 5 green marbles, and 8 red
marbles.
What is P(draw a blue or red marble)?
If necessary, round your answer to 2 decimal places.

Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv