Answer:
0.321 (Answer D)
Step-by-step explanation:
Note that the event "A and Y" happens 9 times. That's 9 times out of (6+9+8+5) outcomes, or 28 outcomes.
Hence, P(A and Y) = 9/28, or 0.321 (Answer D)
12 hours (5880 divided by 490)
Answer:
7
Step-by-step explanation:
"necessary"
It is not a "sufficient" condition. Another condition is that the figure be a plane quadrilateral.
