What is the area of 6in

Given abcd ac=38 and ae=3x+4 find the value of x

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.

If the value of cos330°is√3/2 then find cos 165°.