Answer:
any irrational number
Step-by-step explanation:
for example the square root of two or pi
2.61
Answer: C - 15.81
pythagorean theorum: a^2 + b^2 = c^2
13^2 + 9^2 = c^2
169 + 81 = c^2
c^2 = 250
root both sides
c = 15.81
$360.00 hope this helps