Jake wants to estimate 15.92 to 0.85. how can he use rounding to estimate the sum? what is the estimate?

Which of the following would represent the sum of 3 consecutive integers if x is the first integer?

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?

Which of the following describes the symmetry of the graph of y = x3?