Sumaya is reading a book with 240 pages. she has already read 90 pages. she plans to read 20 more pages each day until she finishes the book. a. sumaya writes the equation 330= -20d to find the number of days she will need to finish the book. identify the areas that sumaya made. b.write and solve an equation to determine how many days sumaya will need to finish the book. in your answer, count part of the day as a full day.

Is this a polynomial function? i need to know asap

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.

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?