Let the two numbers be x and y
then x+y=9
x-y=3
2x=12
x=6
6+y=9
y=3
so the numbers are 9 and 3
Answer:

Step-by-step explanation:
Given inequality is 
Simplifying the inequality by rearranging the terms:

=> 
=> 
=> 
So the given inequality can be simply expressed as 
Hence x can take all values in the domain which are less than 2.
Answer:
I believe the answer is B) All real numbers
Answer:
8.75
Step-by-step explanation:
3 × 3 = 9
4 × 4 = 16
5 × 5 = 25
So, the perfect squares between 6 and 31 is :
{9, 16, 25}