The steps matter on the size of the number.
Can you take another pic of it because it is blurry
A^2+b^2=c^2 so c^2=12^2+16^2 which then simplifies to c^2=144+256 then simplify that to c^2=400. After that take the square root of c^2 and the square root of 400. So your answer is c=20
Answer:

Step-by-step explanation:

-8 -8
₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋₋

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Graph the point (5,1) and use the slope 2/3 to go up 2 and 3 to the right.
If you're confused on anything else, feel free to message me. :)