Answer:
A
Step-by-step explanation:
2/5
Since 12 out of 30 marbles were black, you can assume that the percentage of black marbles in the bag is 40% (Ex: 12/30=.4) The probability that the marble you pick is black is equal to the percentage of black marbles in the bag. 40% is equal to 2/5.
Answer:
y=x(squared) -6x+5
Step-by-step explanation:
The GCF is 5
5 goes into 15 3 times
and 5 times into 25.