Your credit card number is how much money you get, how rich are you

Compute the standard deviation of the following set of data to the nearest whole number. 10, 10, 15, 20, 25

What is y-5=3(x+1) in slope intercept form

15. jiovanni is looking in to two different companies that offer study guides for math exams. test prep 101 charges a $5 flat fee and an additional $0.25 per problem. math charges a $2 flat fee and an additional $0.50 per problem. how many prablems would make the costs of the two companies be equal? varibles: equations/eniqualities{ {