If the input value is negative, the output value is always positive. We know this because the negative sign before the 4z will always reverse the negativity of the number that is plugged in.
<span>Distance formula is used to prove that line segments are congruent and the lengths are equal.
Here is the distance formula :
</span><span>sqrt [(x2-x1)^2 + (y2-y1)^2]
</span>Hence the right answer is :
<span>a. congruent sides</span>
Answer:
A linear pair is a pair of adjacent angles formed when two lines intersect
Everything it's on the picture