Hi,
Equation:

Multiplying two negatives equals a positive.

Now equation looks like:

Hope this helps.
r3t40
Answer:
D) 13/100 = 2500/X
Step-by-step explanation:
..........
Answer:
C
Step-by-step explanation:
its all about the angles just subtract the number you have from the total
I believe that the answer is 120 marbles.<span />