Answer:
Step-by-step explanation:
9t²-16u² = 3²t²-4²u² = (3t)²-(4u)² = (3t+4u)(3t-4u)
what this basicaly means is that we have to multiply 3 by every thing inside the parethese
3*2x=6x
3*1=3
6x+3
Hope This Helps!!!
Not Sure
The slope is 0.
See graph below...
look at picture above please
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