Answer:

Step-by-step explanation:
x = fans at Friday's game
½x = half the fans at Friday's game
½x – 18 = 18 fewer than half the fans at Friday's game
= fans at Saturday's game.
Answer:
20 m/s
Step-by-step explanation:
Distance = rate * time
400 m = rate * 20 seconds
Divide each side by 20 seconds
400m/ 20 seconds = rate
20 m/second = rate
So, the negative would be divided out to make it 3, then square both sides to get rid of the square root and get 9, then subtract 15 and you get -6. <span />
Answer:
86.634
Step-by-step explanation: