Solve.The weight W of an object on the Moon varies directly as the weight E on earth. A person who weighs 
on earth weighs 34.6 lb on the Moon. How much would a 101-lb person weigh on the Moon?
A. 505 lb
B. 20.2 lb
C. 0.2 lb
D. 308.6 lb
Answer: B
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Multiply using Napier's rods.45 × 326
A. 14,625 B. 14,670 C. 14,715 D. 14,996
In order to determine how American undergraduate college students feel about eliminating spring break in order to finish spring term a week early, a survey was conducted. Two hundred undergraduate students from the University of Miami (FL) were interviewed. Both of the interviewers hired to conduct the survey were told to interview 25 freshmen, 25 sophomores, 25 juniors, and 25 seniors. Of the 200 students interviewed, 20% were in favor of the elimination of spring break, 70% were opposed, and 10% had no opinion.The results of this survey are unreliable primarily because of
A. both selection bias and non-response bias. B. the absence of a control group. C. nonresponse bias only. D. selection bias only. E. none of these
Use the figure below to answer the following question(s).
Which graph has an Euler circuit?
A. Graph 3 B. Graph 4 C. Graph 1 D. Graph 2 E. none of these
Solve the problem.The Addams family has about 2000 ft2 of living area in their home. Convert this area to square meters. Round to the nearest tenth if necessary.
A. 606.1 m2 B. 186.1 m2 C. 666.7 m2 D. 222.2 m2