Evaluate the following expression using the values given:

find 3x2 − y3 − y3 − z if x = 3, y = −2, and z = −5.

What is the simplified form of 7 √x • 7 √x • 7 √x • 7 √x?

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

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?