1. Identify the difference between examples A and B shown below. Then list the steps you would use to simplify each expression. Or you may write 3 + sentences describing the differences between them and how you could solve each one. When you have completed the discussion question, then respond to 1-2 peer posts.

A) (4b+3)−(2b−1)

B) (4b+3)(2b−1)

You have two cards with a sum of -12 in both hands. a. what two cards could you have? b. you add two more cards to your hand, but the total sum if the cards remains the same, (-12).

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation