Rationalize the denominator. Assume that no radicands were formed by raising negative numbers to even powers. 
A. 
B. 7
C. 7
D. 
Answer: D
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As part of a statistics project, a 6th grade teacher brings to class a container with 200 red marbles and 800 white marbles which are thoroughly mixed. To figure out how many marbles in the container are red without actually counting them all, a student randomly draws 150 marbles from the container. Of the 150 marbles drawn, 33 are red.Suppose that the student is given the N-value. What is a reasonable estimate for the number of red marbles in the container?
A. 183 B. 150 C. 33 D. 220 E. none of these
The following question refers to a country with six states. There are 300 seats in the legislature and the percent of the population in each state is given in the table below.
Find each state's apportionment under Adams's method.
A. A: 43; B: 161; C: 16; D: 49; E: 19; F: 12 B. A: 44; B: 160; C: 16; D: 49; E: 19; F: 12 C. A: 43; B: 162; C: 16; D: 50; E: 18; F: 11 D. A: 43; B: 160; C: 16; D: 50; E: 19; F: 12 E. none of these
Solve.The president of a certain university makes three times as much money as one of the department heads. If the total of their salaries is $190,000, find each worker's salary.
A. president's salary = $95,000; department head's salary = $47,500 B. president's salary = $47,500; department head's salary = $142,500 C. president's salary = $142,500; department head's salary = $47,500 D. president's salary = $14,250; department head's salary = $4750
Find the indicated sum. Find the sum of the first 10 terms in the geometric series 
+ 
+ 
. . .
A. - 
B. 
C. 
D. - 