An animial gained 6 kilograms over 30 years what is the unit rate of kiliograms per year.

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 are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

What is the average diastolic blood pressure for adults