Provide an appropriate response.How many terms are in the expansion of (x + y)13?
Fill in the blank(s) with the appropriate word(s).
14
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Simplify.240 ÷ 5 - 4
A. 231 B. 239 C. 240 D. 44
Solve the problem.A woman counts the number of emails she receives every day. Let the random variable X be the number of emails she receives in a day, which is always between 2 and 6. She calculates the probability mass function to be 
for 
Find ? and explain what this number represents.
A. ? = 4.67 is the average number of emails she gets per day B. ? = 4.67 is the fewest emails she could get in a day C. ? = 4 is the most emails she could get in a day D. ? = 2 is the average number of emails she gets per day
Choose the most reasonable measurement for the situation described.What is the most reasonable measurement for the height of a tall skyscraper building?
A. 336 mm B. 336 km C. 336 cm D. 336 m
What is the value of the function 
at 
? Round to 3 decimal places.
A. 376.394 B. 223.774 C. 18.232 D. 151.492 E. 1247.646