Answer:
Ignoring leap years, May has 31 days, a year has 365 days. 334 days of the year are NOT in May so the probability of a birthday not being in May = 334/365 = approximately 91.5%
Step-by-step explanation:
10
10(4-7)
-------------
-(4-1)
Parentheses first
10(-3)
----------------
-(3)
Cancel the negative 3's
10(1)
------------
(1)
GCF of 3 and 6 is 3.
LCM of 3 and 6 is 6.