After the drama club sold 100 tickets to a show, it had $300 in profit. After the next show, it had sold a total of 200 tickets and had a total of $700 profit. Which equation models the total profit, y, based on the number of tickets sold, x? A. y + 300 = 2.5 (x + 100)
B. y - 300 = 4 (x - 100)
C. y - 300 = 2.5 (x - 100)
D. y + 300 = 4 (x + 100)

Given the graph below state whether or not the relation is a function, and give the domain and range.

This is so hard and it’s for a test

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?