Answer:
1/3
Step-by-step explanation:
The total number of marbles is
6+12 = 18
P( red) = red/total
= 6/18
=1/3
Answer:
A = -12
B = -8
C = -4
Step-by-step explanation:

x = -2

A = -12
x = 0

B = -8
x = 2

C = -4
Hope this helps
What you would have to do is take the 18 and double it because 50% doubled is 100% so when you double 18 it is 36
Answer:
1/84
Step-by-step explanation: