Answer:30
Step-by-step explanation: each person can you get one Spring roll
Since you are not allowed to draw a black marble, then you have only 7 ways to draw either a blue or a red marble. The sum of all marbles is 10. So the probability of not drawing a black marble is 7/10 and the probability of drawing a red marble is 2/10 or 1/5.
Answer:
y = -2x+4
Step-by-step explanation:
hope this helps
Answer:
-1
Step-by-step explanation:
y-1=-3
y=-2
.:1/2y=1/2(-2)=-1