Answer: 0
Step-by-step explanation: 18a + 3 = 3
-3 -3
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18a = 0 you can't divide 18 and zero it would be 0
A set of 3 nonzero whole numbers say (a,b,c) that form the sides of a right triangle and follow the pythagorous theorem

are called a Pythagorean Triple
The example of Pythagorean Triplet are
(3,4,5), (5,12,13) ,(8,15,17), etc.
Hence
A set of 3 nonzero whole numbers that form the sides of a right triangle are called a Pythagorean Triple.
I would say 100 hours i am not for sure cause i am a bit confused. sorry
Answer:
Pete's: 
Carla's: 
Step-by-step explanation:
Let's assume that
is the amount of rooms painted, and 
For Pete's Painting Company, they charge a flat fee of $60, so we will have a constant of 60.
They also charge 20$ per room, meaning that we will multiply 20 by
, the amount of rooms painted.
This gets us the function 
For Carla's Creative Colors, they charge 20$ to hire the workers, meaning this will be our constant.
They also charge $40 a room, meaning we will multiply 40 by
, the amount of rooms painted.
So the function is
.
Hope this helped!
The reciprocal is 6/11. Hope this helps! :D