The slope of this line is -2
Answer:

Step-by-step explanation:
Let side of triangle = x
And side of rectangle = y
Perimeter of triangle = 3x
Perimeter of rectangle = 4y
We have two conditions:

The distance between two points is the number of units between them.
The distance between Q and R is 3.61 units
<em>It is impossible to determine your friend's error, because the steps are not given in the question. So, I will calculate the distance between Q and R, instead.</em>
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The distance (d) between two points is:

So, the distance QR is:


Evaluate exponents


Take square root of 13

Hence, the distance between Q and R is 3.61 units
Read more about distance at:
brainly.com/question/16310813
Answer:
true
Step-by-step explanation:
heat exhaustion and heatstroke can be counted as serious form of heat injury