I need help with this!!!

Apackage of bacon holds 15 strips of bacon. the pancake house uses 17 packages of bacon in the morning and 21 packages in the afternoon. how many more strips were used in the afternoon than the morning?

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?