Which description does not guarantee that a quadrilateral is a rectangle?
a a quadrilateral with all four angles right
b a parallelogram with congruent sides
c a quadrilateral with diagonals that are congruent and bisect each other
d a quadrilateral with all congruent angles

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76

The table shows the age and finish time of ten runners in a half marathon. identify the outlier in this data set. drag into the table the ordered pair of the outlier and a reason why that point is an outlier.

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.