.John travels to Nashville at 40 mph. On the return trip he travels Gomph If the total trip took 2 hours, how long did it take to go to Nashville? this is a motion problem btw ​

Ineed with number 17 i don’t get it at alll

Which of the following parabolas opens down?

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?