Solve.When 18 is subtracted from 7 times a certain number, the result is 213. What is the number?
A. - 
B. 1473
C. 44
D. 33
Answer: D
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Use a finite approximation to estimate the area under the graph of the given function on the stated interval as instructed.f(x) = 
between x = 2 and x = 5 using a right sum with two rectangles of equal width.
A. 
B. 
C. 
D. 
Solve the problem.How long will it take for the population of a certain country to double if its annual growth rate is 2.2%? (Round to the nearest year.)
A. 14 years B. 32 years C. 1 year D. 91 years
The bar graph shows the number of students who flunk Dr. Jones' class each year. 
During which year(s) did Dr. Jones' have more than 9 students flunk his class?
A. 1998, 1999, 2000, 2002 B. 1998, 1999 C. 1998, 1999, 2002 D. 1998, 1999, 2000
Solve the problem.In a probability model, which of the following numbers could be the probability of an outcome:0, 0.2, -0.01, - 
, 
, 
, 1, 1.5
A. 0.2, 
, 1
B. 0, 0.2, -0.01, 1, 1.5
C. 0, 0.2, 
, 1
D. 0, 0.2, -0.01, - 
, 
, 1