Answers edited by Prof_S
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What is the slope of any line perpendicular to the line passing through
(
2
,
7
)
and
(
5
,
2
)
?
What is the distance between
(
2
,
8
)
and
(
5
,
12
)
?
Suppose 4 dice are rolled, what is the probability that 1 number appears at least twice?