You are having a party for the Chiefs game. You are getting bottles of Dr. Pepper and bags of Doritos. A bottle of Dr. Pepper costs $2 and Doritos costs $3.50. Write an equation to represent the cost, C, of what you spent for P bottles of Dr. Pepper and D bags of Doritos.

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?