Answer:
-6
Step-by-step explanation:
a=-3
2a=2*-3
=-6
hope this is helpful
The answer is y=-1/2x+7. Hope this would help you.
The total number of marbles is

.
If we draw a red marble, the chance of that occurring is

.
Now the total number of marbles left is 7. If we then draw a green marble, the chance of that occurring is

.
So the chance of drawing a red, then green, marble is

.
X intercept (18,0)
Y intercept(0,16)