What did I do wrong, it says I'm wrong

Which best describes the transformation that occurs in the graph? a) dilation b) reflection c) rotation d) translation

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

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?