Or i will fail my ! hurry

mackenzie and cara both tried to find the missing side of the right triangle.
mckenzie's work cara's work
a2 + b2 = c2 a2 + b2 = c2
52 + 132 = c2 52 + b2 = 132
25 + 169 = c2 25 + b2 = 169
194 = c2 b2 = 144
square root 194 equals square root c squared. square root b squared equals square root 144.
13.93 ≈ c b ≈ 12

is either of them correct? explain your reasoning.