Asavings account increases from $250 to $260. what is the percent increase of the savings account?

What is the product? (x2+3y+7) [yy+1)

This is different from the first one can someone me

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.