Add Linear Expression. (8x + 9 ) + (- 6x -2 ) Answer Option

2x + 7

Or

2 + 7

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

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.

What is the sum of these mixed numbers 4 2/3+ 3 1/9