Solve the problem.In town A, the birth rate is given by 
where t is the number of years since 1990. In town B, the birth rate is given by 
where t is the number of years since 1990. How many more births are there in town B than in town A during the 1990s (from 
to 
A. 48,912 births
B. 29,548 births
C. 48,717 births
D. 50,595 births
Answer: A
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Replace the polar equation with an equivalent Cartesian equation. 2r cos ? + 8r sin ? = 1
A. 2x + 8y = x2 + y2
B. 
+ 
= 1
C. 2y + 8x = 1
D. 2x + 8y = 1
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 
A. 
B. -4
C. 2
D. - 
Calculate the current ratio and the acid-test ratio. Is the company healthy based on the guidelines given in the text?Current assets: $418,000Current liabilities: $187,000Liquid assets: $47,000
A. Current ratio = 8.89 which is fine Acid-test ratio = 0.25 which is very low B. Current ratio = 0.25 which is very low Acid-test ratio = 2.24 which is fine C. Current ratio = 2.24 which is fine Acid-test ratio = 0.25 which is very low D. Current ratio = 2.24 which is fine Acid-test ratio = 8.89 which is fine
The sides in the pair of figures are proportional. Find the missing length(s).
A. x = 18 B. x = 13.5 C. x = 22.5 D. x = 24