Answer:
Factoring a perfect square trinomial.
Step-by-step explanation:
The left side was able to be simplified via factoring.
Step-by-step explanation:
Let the two numbers be x and y.
From equations (1) & (2)

Thus, the two numbers are (4, - 2) or (-2, 4).
Answer:
The correct answer is D
Step-by-step explanation:
Hope this help
To find the lateral area of a cone, use this formula:

where r is the radius (in this case, 11) and h is the height (in this case, 26)
Try plugging the values in. If you need additional help, feel free to ask!