Simplify.10 + (-1) + 5(-4)
A. -11
B. 29
C. 31
D. -9
Answer: A
Mathematics
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Provide an appropriate response.The function 
models the median, or average, age, y, at which U.S. men were first married x years after 1900. In which year was this average age at a minimum? (Round to the nearest year.) What was the average age at first marriage for that year? (Round to the nearest tenth.)Median Age at Which U.S. Men First Married
A. 1957, 23.1 years old B. 1957, 50.5 years old C. 1954, 36 years old D. 1936, 50.5 years old
Mathematics
Integrate the function.
dt
A. - 
+ C
B. 
+ C
C. - 
+ sin-1 9t + C
D. - 
+ C
Mathematics
Combine, if possible.9
+ 4
A. 13
B. 36
C. 13
D. 65
Mathematics
Find the limit.
A. 0
B. 
C. ?
D. 
Mathematics