Sandra exercised 2/3 hour everyday for 2 weeks while she was on vacation. How many hours did Sandra exercise during her vacation?

What is a rational number between 9.5 and 9.7

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

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.