Find the mean absolute deviation of the data a litter of 5 puppies born on Jan 15 after 12 weeks the puppies were weighed the weights are recorded (14,13,12.5,12,13.5) are puppies weights the mean is 13lbs the mean absolute deviation is

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 in pounds, w, of the contents that liz will ship to her friend if she must use a medium flat-rate box. use the drop-down menus to explain your answer.

Which expression is the factorization of x^2+10+21

How are algebraic expressions evaluated using substitution?