Arestaurant had n kg of sugar in its stock. then, 5 3/5 kg sugar was used to make the first dessert on the menu. next, 3 1/2 kg sugar was used to make the second dessert on the menu. write an expression to show how many kilograms of sugar were left in the stock, and then simplify the expression.

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

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.

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of