Nicole is trying to determine an algebraic expression to represent the amount of dog biscuits she needs to purchase for a dog show. she does not know how many dogs will attend the event but wants to have 2 biscuits per dog plus an additional 35 dog biscuits. if d represents the number of dogs, which expression represents the number of dog biscuits nicole will need for the event?

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays

In a graph with several intervals o data how does a constant interval appear? what type of scenario produces a constant interval?

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?