Given below is a graph of the populations of foxes and rabbits in a national park over a 24 month period. The number of rabbits corresponds to the upper graph, and the number of foxes to the lower graph.

Find the value of x for which the lines are parallel.

Using elimination, what is -4x+2y=-12 4x+8y=-24

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?