Solve the combination exercise.A physics exam consists of 9 multiple-choice questions and 6 open-ended problems in which all work must be shown. If an examinee must answer 5 of the multiple-choice questions and 4 of the open-ended problems, in how many ways can the questions and problems be chosen?
A. 1080
B. 1890
C. 5,443,200
D. 261,273,600
Answer: B
Mathematics
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State the name of the property illustrated.4(x + 7) = 4 ? x + 4 ? 7
A. Distributive property B. Commutative property C. Addition property D. Associative property
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Use a graphing calculator to estimate the solution set of the equation. Round to the nearest hundredth.3x = 19
A. {2.68} B. {6.33} C. {1.85} D. {0.37}
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Graph on a number line.6.13
A. 
B. 
C. 
D. 
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Write the unit cost, rounded to the nearest cent.If 11 compact discs cost $167.85, then one compact disc costs $15.2591.
A. $167.85 B. $15.16 C. $15.36 D. $15.26
Mathematics