Identify the number as prime, composite, or neither.103
A. Composite
B. Prime
C. Neither
Answer: B
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Solve the problem.Set up the triple integral for the volume of the sphere 
in rectangular coordinates.
A. 8
B. 
C. 
D. 8
The hydrogen ion concentration of a solution is 2.5 × 10-6 mol/L [H+]. What is the pH of this solution?
A. -6 B. 5.6 C. 2.5 D. 6
In order to determine the effects of a new pill that is supposed to reduce hair loss, a researcher conducts a study. Five hundred volunteer subjects (300 men and 200 women) all of which suffer some degree of hair loss are selected to participate in the study. The researcher gives the women the real pill and the men a sugar pill, but only the researcher knows this.In the experiment, which is the placebo group?
A. the 200 women B. the 300 men C. the subjects that responded to the treatment D. There is no placebo group. E. none of these
Write the first statement of the indirect proof for this statement:“If coplanar lines l and m are not perpendicular to the same line t, then l and m are not parallel.”
What will be an ideal response?