What is 2.81 rounded to the nearest hundredth

What are the solutions to the equation 4x2+3x=24-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.

Erin bought christmas cards for $2 each to send to her family and friends. which variable is the dependent variable?