Since she has seven key the probability that the first one will open the door is

if it takes three attempts to open the door,the probability is

if the three attempts would not work
then the probability that the fourth attempt will open the door is

hope this helps
The answer would be 7,6,5,4,3,2,1 inches tall in the chronological order
Answer:
a parrellelogram is a rectangle T^T
just that they slanted it.
UNSLANT IT.
if that makes sense.
Answer:
<u>Step 1: Divide both sides by 5</u>
<u />

So... the line underneath the > means that 7 is included. Therefore, Frances is correct.