Which compound inequality can be used to solve the inequality [3x+2]>7

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.

For what value of (y) is 3^3/3^y =1/9

How can (square root of 25) ^2 be rewritten?