Solve.How long will it take for the population of a certain country to double if its annual growth rate is 6.3%? (Round to the nearest year.)
A. 11 yr
B. 5 yr
C. 32 yr
D. 1 yr
Answer: A
Mathematics
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Find the exact value of the indicated trigonometric function of ?.cos ? = 
, 
< ? < 2?Find cot ?.
A. - 
B. 
C. - 
D. - 
Mathematics
Evaluate the function.f(x) = 3x2 + 5x + 6; Find f(a).
A. 3a2 + 5a + 6 B. 8a + 6 C. 8a D. 3a2 + 5a
Mathematics
Name the property illustrated by the statement.-(-x) = x
A. inverse property of multiplication B. double negative property C. inverse property of addition D. identity property of multiplication
Mathematics
Jacobs & Johnson, an accounting firm, employs 14 accountants, of whom 8 are CPAs. If a delegation of 2 accountants is randomly selected from the firm to attend a conference, what is the probability that 2 CPAs will be selected?
a. 0.001 b. 0.474 c. 0.737 d. 0.308 e. 0.533 f. 0.073
Mathematics