B.) there is a 22.2% chance you will pick two white marbles
c.) there is a better change of selecting two purple in a row because there is a 77.7% chance that you will pick purple
Answer:
b = 2
c = -1
d = -2
Step-by-step explanation:
b = 2*1 = 2
c = -3 +b = -3+2 = -1
d = c*2 = -1 * 2 = -2
Answer:
She goes from 4 to -4 west which is 8 blocks west
Then she goes south from +2 to -2 on the y axis which is 4 blocks south