Answer:
The product is the difference of squares is 
Step-by-step explanation:
Explanation
- The given expression is (x y-9)(x y+9).
- We have to multiply the given expression.
- Square the first term xy. Square the last term 9 .

Answer:
4x-10
Step-by-step explanation:
Multiply both by 2, 2x times 2 is 4x, and 5 times 2 is 10, so it becomes 4x-10.
Answer:
A=3
B=8
C=2
D=5
Step-by-step explanation:
hope this helps
Answer:
the answer is x ≥ 3, just put the line under the sign and your good
Step-by-step explanation: