Answer:

Step-by-step explanation:

Simplify:

Move 5c to the other side:

Divide bother sides with AC:

Simplify:

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The ladder resting against the house forms a triangle similar to the one in the image below
To answer this question you must use Pythagorean theorem

a and b are the legs (the sides that form a perpendicular/right angle)
c is the hypotenuse (the side opposite the right angle)
In this case...
a = x
b = 4
c = 20
^^^Plug these numbers into the theorem

solve for x
+ 16 = 400
= 384
x = 8√6
or
x ≈ 19.5959....
Hope this helped!
~Just a girl in love with Shawn Mendes
The quotient of 75 divided by 4 is 18.75, or 18
Answer:
B. a6b8c3
Step-by-step explanation: