Solve the problem.The marriage rate in a certain country in 1990 was 0.9%, and there were about 435,000 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 year in which the number of marriages will be 1 million.
A. 2000
B. 2340
C. 2093
D. 2083
Answer: D
Mathematics
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Graph the function.f(x) = 2(x - 1)
A. 
B. 
C. 
D. 
Mathematics
The data in the figure below represents the annual salaries of 120 professional mathematicians.
An approximate value for the interquartile range of the salary data is
A. $10,000. B. $28,500. C. $21,500. D. $32,500. E. $70,000.
Mathematics
Factor out the GCF from the polynomial.w(z - 9) - 2(z - 9)
A. 2w(z - 9) B. (z - 9)(w - 2) C. (wz - 9w) - (2z - 18) D. (z - 9)(w + 2)
Mathematics
Perform the indicated operation.(x - 4)(x + 9)
A. x2 + 5x - 36 B. x2 - 5x - 4 C. x2 - 5x + 36 D. x2 - 13x - 36
Mathematics