Solve the problem.A collection of dimes is arranged in a triangular array with 15 coins in the base row, 14 in the next, 13 in the next, and so on with 1 dime in the last row. Find the value of the collection.
A. $6.00
B. $24.00
C. $12.00
D. $1.20
Answer: C
Mathematics
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It costs $624 to rent a dining hall for a dinner you are catering. In addition it costs $33 for each person attending the dinner.
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A: Write a formula for the total cost C, in dollars, of catering a dinner for n guests.
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B: Explain in practical terms the meaning of 
.
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C. Calculate the value you found in part B.
What will be an ideal response?
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Express in exponential form.x ? x ? x ? x ? x
A. 5(x) B. 5 C. 5x D. x5
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A. 18,400 B. 18,000 C. 18,416 D. 18,500
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If AB ? BC, DC ? BC , AB and CD in the figure, prove that ?BAC ? ?CBD.
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