Find the first four terms of the sequence given by the following.
an= 46+6(n-1), n=1, 2, 3...

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin

Mrs. blake's bill at a restaurant is $42.75. she wants to leave the waiter an 18% tip. how much will she pay in all, including the tip?

Me because i don't understand how to do it.: )