Complete the square of the function y = 3x2 − 18x − 19. part a: where is the vertex located and what is the maximum or minimum value? what is the equation of the axis of symmetry? part b: what are the zeros of the function (as exact values expressed in radical form) and the y-intercept?

1. are the triangles similar and if so why? what is the value of x? show your work.

Which of the following graphs represents the function f(x) = 2^x

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?