I thought I understood this in class, but I don’t

Simplify: 1+4(3b+9)-b

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

Aweekly newspaper charges $72 for each inch in length and one column width. what is the cost of an ad that runs 2 column inches long and 2 columns wide? its not 288

What is the area of a rectangle with vertices (-8,-2), (-3,-2), (-3,-6), and (-8,-6)? units