Evaluate the expression.-2431/5

A. -27
B. 81
C. 243
D. -3


Answer: D

Mathematics

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Use the information to complete a circle graph. Note that the circle is divided into 100 equal sections.Intended major of high school students: Science:32%Social Science:8%Humanities:20%Business:16%Other:24%

A.

B.

C.

D.

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Translate the problem to a system of equations, then solve using Cramer's Rule.Jerry has 3 pieces of string. The total length is 82 inches. The sum of the two longer pieces is 70. The middle piece is twice as long as the shortest piece. What are the lengths of the 3 pieces?

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