The recipe calls for 1/2 cup of flour to make 8 servings, how many cups of flour are needed to make 20 servings?

Find the balance at the end of 4 years if 1000 is deposited at the rate of

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

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.