I think the answer is d. The slope of AC=Slope of DF.
Hope this helped☺☺
The probability of tossing tail would be 9/13
There is 1 gram is a milliliter and grams to milligrams is 16,000
so 16,000 is your answer
Summaation of a sequence
or see a smaller scale
from 1 to 10
notice
1+10=11
2+9=11
etc
5+6=11
10/2=5
there are 5 pairs
5*11=55
so
1 to 100
1+100=101
2+99=101
...
50+51=101
100/2=50
there ar 50 pairs
50 times 101=5050
the sum is 5050