Which is the smallest fraction 3/4, 4/5, 1/2, 4/5

Complete the statements about the system of linear equation respresented by the tables the equation respented the left table is

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?

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28