A contractor is calculating the number of decorative stones for a new rectangular patio. The bids always include a count for the number of stones for the edging, E(x), and the number of stones for the center of the patio, C(x). The various patio sizes have lengths represented by the function f(x) and widths represented by g(x).

Which statement describes the combined functions E(x) and C(x)?

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?