A) How high up the wall does it reach?
Use the Pythagorean theorem
Height^2 + Base^2 = Hyp^2
H^2+ 2^2 = 4^2 Subtract the 2^2 from both sides
H^2 = 4^2 -2^2 Multiply the square roots of both the numbers
H^2= 16 - 4
H^2 = 12
H= sqrt(12) m
Hope this helps
Answer:

Step-by-step explanation:
<h3>Factorize the Expressions</h3>


<h3>Factor out the Common Factors</h3>

<h3>Multiply the Common Factors</h3>

The Factored expressions are

And

The answer is 3/10
Explaintion
Answer:
x=0
Step-by-step explanation:
letter B