Answer:
The mean is 18
Step-by-step explanation:
Answer:
The answer is 4th point
Step-by-step explanation:
x² should not equals to a negative number :
e.g
x² = 4
x = √4
= 2
x² = -4
x = √-4 (undefined)(rejected)
22=1+21?? I'm not sure what you're asking but that's my best bet
Answer:
5) The third side must be more than 4 and less than 14.
6) The third side must be more than 3 and less than 13.
Step-by-step explanation:
The third side must be more than the difference and less than the sum of the two numbers.
5) 9-5=4
9+5=14
So the third side must be more than 4 and less than 14.
6) 8-5=3
8+5=13
So the third side must be more than 3 and less than 13.