Answer:
-657
Step-by-step explanation:

Substituting the value of a and b

The value of 3a²-4ab-26² is -657
To get a number as a percent of another, you divide and multiply by 100, so here you would have (13/52)*100=.25*100=25, making your answer 25%.
It’s always gonna be 60 Units this is just an known fact
Answer:
1/15
Step-by-step explanation:
The first one seems more reasonable