The best choice that describes the feasible region in a graph for systems of inequalities. * 7 points
A The intersection of two lines in the coordinate plane which shows a single solution for 2 equations.
B The area of the graph showing all the possible points that satisfy all constraints.
C Two or more linear equations with the same variable(s) working together.
D Restrictions, limitations or boundaries that need to be placed upon variables used in equations that model real-world situations.

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?