Use the definition of conditional probability to find the "and" probability:
Use the inclusion/exclusion principle to find the "or" probability:
Once a week you babysit your neighbor’s toddler after school, usually going to a local playground. You notice that each swing on
the swing set takes about the same amount of time, about 2.2 seconds. Use the pendulum formula below to find out how long the swing is. Round your answer to the tenths place. (equation and answers attached)
a) 10 ft
b) 25 ft
c) 6 ft
d) 3.9 ft
a) 10 ft
b) 25 ft
c) 6 ft
d) 3.9 ft
2 answers:
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is -2, you know the slope of line 
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