Solve the equation 7\sqrt(x)=28

In the diagram of circle a what is m

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.

41/17 as a decimal rounded to the nearest hundredth