Carson spent $15.99 for 2 books and 3 pens. the sales tax for the total purchase was $1.22. carson also used a coupon for $0.50 off his purchase. if each pen had the same cost, how much did each pen cost?

Vhich expression is equivalent to 6(3x + 4)? 9x + 418 x + 2418x + 49x + 10 i might ! i really do hope u see this and answer it

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

Ineed with number 6 , explain how to get 1978