Solve the problem.Solve the formula V = ?r2h + 
?R2h for r by writing it in the form ar2 + br + c = 0 and then using the quadratic formula.
A. r = ± 
B. r = ± 
C. r = ± 
D. r = ± 
Answer: A
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Determine whether the specified paradox occurs.A small country consists of seven states; there are 160 seats in the legislature that need to be apportioned among the seven states; and the population of each state is shown below for the years 1990 and 1995. 
Does the population paradox occur using Hamilton's method of apportionment?
A. Yes B. No
Solve the problem.A bridge with a semi-elliptical arch extends over a river as shown. Find an equation of the ellipse that represents the arch of the bridge.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Solve the equation. Use the change of base formula to approximate an exact answer to the nearest hundredth when appropriate.2x = 756
A. x = 378 B. x = log 378 C. x = log 756 D. x = log2756
Write in logarithmic form.163/4 = 8
A. log316 = 
B. log168 = 
C. log816 = 
D. 
= 16