Marcus is comparing the half-mile run times of 5 runners at a tournament. Runners with an approximate time of 3.5 minutes will advance to the next level. Before recording the results, he rounds each time to the nearest tenth
Which times round to 3.5? Choose all the correct answers.
3.45 minutes
3.57 minutes
3.525 minutes
3.509 minutes
3.482 minutes

In the image, point a marks the center of the circle. which two lengths must form a ratio of 1 : 2? (options are in the images since thought they were harmful phrases)

Given the sequence 7, 14, 28, 56, which expression shown would give the tenth term? a. 7^10 b. 7·2^10 c. 7·2^9

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.