Solve the problem.The marriage rate in a certain country in 1990 was 0.87%, and there were about 391,000 marriages that year. Use the model M(t) = M0(1 + r)t, with a constant marriage rate and t = 0 corresponding to 1990 to estimate the number of marriages in 2005.
A. 1,366,532
B. 48,413
C. 4.841339589e-10
D. 445,253
Answer: D
Mathematics
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Find any values of the variables that must be excluded.
A. z = 0 B. z = 6 C. z = -6 D. Defined for all real numbers
Mathematics
Find the missing angle.
A. 44° B. 52° C. 38° D. 62°
Mathematics
Add.38 + 9.3 + 19.453 + 4.95
A. 71.703 B. 71.704 C. 72.703 D. 71.803
Mathematics
Solve the problem.Alison sets aside 
each month to spend on books and CDs. If she spends c dollars on CDs in a given month, she may spend b dollars on books, where 
Estimate the amount Alison may spend on books in March if she spends 
on CDs.
A. $45 B. $76 C. $41 D. $34
Mathematics