A. A quadrilateral has a perimeter of 3a² + 15a +9. Three of the sides are shown. What is the length of the fourth side?

Twelve friends shared 8 small pizza equally.how many pizzas did each person get?

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.

Which of the following is a function? a.) {(-2, -4/5), (-1,-,,-1)} b.) {(-2,,1/,3/,1)} c.) {(-22)} d.) {(-21)}