PLEASE HELP ME I REALLY NEED HELP IN ALGEBRA (a) Does the graph represent a constant-rate relationship?

(b) Explain how you determined your answer in part A.

(c) If this is a constant-rate relationship, what is the constant rate?

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?

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities