Answer:
13
Step-by-step explanation:
12^2 + 5^2 = c^2
144 + 25 = c^2
169 = c^2
13 = c
The proof is because it has a right angle.... I think :)
Hi um I think you posted a picture of something else other than the question!!
Answer:
B
Step-by-step explanation:
A function has at most one y value for every x value. This means that for every vertical line, there can be at most one intersection.
This example clearly doesn't satisfy this requirement.
