Acustomer wants you to enlarge a photo to 2 3/4 its current height. the photo’s current height is 3 1/4 inches. what should its enlarged height be, in inches?

Which of these choices show a pair of equivalent expressions?

Can someone me i’m confused. will give brainliest and a whole bunch of points

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?