B. Lost 850 ft
800-450= 350
1200-350=850
I hope I helped :D
Answer:
28 non-blue marbles.
Step-by-step explanation:
Initial probability of choosing a blue marble = 4/12
Let the number of non-blue marbles to be added be x.

(cross multiply)

1.object pronoun
2subject pronoun
3reflexive pronoun 4.object pronoun
Answer:
Step-by-step explanation:
Eliminate the y terms by adding the equations together:
-10y+9x = -9
10y+5x = -5
——————-
14x = -14
x = -1
y = 0