I need help please!:D

How much orange juice do you need to make 2 servings of lemony orange slush?

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.

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?