Simplify the expression. Assume that all variables are positive.
? 
A. x8/81
B. 
C. x
D. x8/9
Answer: C
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Solve the problem.The volume of a sphere is 
Find the volume of a bearing if the diameter is 
A. 45 mm3 B. 140 mm3 C. 780 mm3 D. 44.6 mm3
Find the missing values.
A. $46.80, $161.20 B. $95.68, $112.32 C. $93.60, $114.40 D. $91.52, $116.48
A state map has county lines as shown. If the counties are to be colored and no two counties which share a border can have the same color, what is the minimum number of colors required for this map? Explain your solution.
Find the indicated probability.The distribution of B.A. degrees conferred by a local college is listed below, by major. Major FrequencyEnglish2073Mathematics2164Chemistry318Physics856Liberal Arts1358Business1676Engineering8689313What is the probability that a randomly selected degree is in Chemistry or Physics?
A. 0.0919 B. 0.0031 C. 0.126 D. 1174