Answer:
b. 9.2 minutes
Step-by-step explanation:
To find the expected waiting time for a random call from the sampie given by using the formula:

number of calls (x) waiting time f(x) in minutes f(x) *(x)
0 0 0
2 3 6
4 10 40
6 15 90
8 10 80
10 6 60

Therefore:


They would have to have opposite slopes. ex: Y=2x+4 | Y=-1/2x+8 or if you are asking in general you could write. LINE AB | LINE CD
Answer:
42 units
Step-by-step explanation:
count the full unit so there is 34, then there is 16 pieces of units so connect two to make a full unit so then there will be 8 more full units so make 42
Answer:
33 ft^2 so the 4th option I’m pretty sure if I’m not I’m so sorry
Step-by-step explanation: