Answer:
I have no idea it does show anything about it I checked just rely on the students to help you until they show up :)
Answer:
The correct answer is <em>SECOND </em>
Step-by-step explanation:
KCF.
Keep
Change
Flip
Example
3/4 / 2/4
3/4 X 4/2
Each pencil weighs 4 grams so the answer is B: 4
We are given an equation:

This is an equation of a circle. General form of a circle equation is:

Where:
a = x coordinate of a center
b = y coordinate of a center
r = radius of a circle
Motion detector can detect person anywhere within a boundary. The greatest distance at which detector can detect is at the edge of a circle. That distance, between detector and edge of circle, is equal to radius.
From the equation we have:

The greatest distance at which person can be detected is 4ft.