The ratio between the amount of muscle on your body to the amount of fat on your body is called

Which two statements are true about a system? 1. a system is a group of objects analyzed as one unit. 2. energy that moves across system boundaries is conserved. 3. there’s only one way to define the boundaries of a system. 4. all systems are made by humans.

The measure of the angles supplement is 30 more than four times that of its complement. find the measure of the angle described

How are students who take the writing portion of accuplacer graded?