Answer:
11.7
Step-by-step explanation:
pythagorean theorem is 
apply that same formula soo 
then sqaure root 136
round that soo now the answer is 11.7
Answer:
C
Step-by-step explanation:
Answer:
X = 12
Y = 4
Step-by-step explanation:
X + Y = 16
X = 3Y
3Y + Y = 16
4Y = 16
Y = 4
X + 4 = 16
X = 12
Answer:1
Step-by-step explanation: