Determine whether the formula determines y as a function of x.y = 9
A. No
B. Yes
Answer: B
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
Use cross products to determine whether the pair of fractions is equivalent.- 
and - 
A. equivalent B. not equivalent
Mathematics
Find the inverse matrix of A.A = 
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Cost plus markup is equal to the selling price.
A. True B. False
Mathematics