We use letters to substitute for unknown numbers. I hope this helps. :)
2.
1, -3.8
2, -3.6
3, -3.4
4, -3.2
5, -3
(In each row, the first number is x and the second number is the y)
from the given graph the point (2,120) shows that the heartbeat of and active bear is 120 in 2 minutes.
Two expressions for the perimeter of a square are:
4a
- a represents one side of the square
a + a + a + a
- a representa one side of the square
the first expression does not include any addition. But the two expressions are actually equivalent.
Exercise is important because of its positive on all the body systems in addition regular exercise reduces the risk factor of contracting many diseases various components of wellness often influence one another summarize how the components of health are related to wellness
