Answer:

Step-by-step explanation:
Given : 
Solution:



Thus , 
Thus the solution is irrational since square root 7 does not have a perfect square and equal to 6+2square root of 14
I'm pretty sure this is correct
X = 2
y = -9
16 - negative 18 = -2
Answer:
12, 24 , and 36
Step-by-step explanation: