1. 2(4) - 4y = 20
8 -4y = 20
8-8 -4y = 20 - 8
-4/-4y = 12/-4
y = -3
Answer:
Step-by-step explanation:
3 People on right + 4 people on the left = 7 people + himself = 8 people in the group
Answer: B
Step-by-step explanation:
(-3, -1) and (4, 5) are the points given
Slope formula: 


Answer:
3/7
Step-by-step explanation:
total cards 3+4 = 7
Not green = 7-4 = 3 cards
P ( not green )= not green cards / total = 3/7