Write the answer to the problem as an algebraic expression.A theater ticket for adults is A dollars and the price of a child's ticket is c dollars. If 14 adults and 21 children attend the theater one night, how much money did the theater make?
A. 294Ac dollars
B. 14A + 21c dollars
C. 14c + cA dollars
D. 21A + 14c dollars
Answer: B
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There is one positive solution of 
. Find it. Round your answer to two decimal places if necessary.
?
A. 0.42 B. 1.73 C. 3.67 D. -4
Evaluate the following:
1. ? dx
2. 
3. 
Solve the problem.A satellite dish has a parabolic cross section and is 8 feet deep. The focus is 4 feet from the vertex. Find the width of the satellite dish at the opening. Round your answer to the nearest foot.
A. 25 ft B. 27 ft C. 31 ft D. 23 ft
Use the pictograph to answer the question.This pictograph shows projected sales of compact disks (CDs) for a popular rock band for seven consecutive years. 
? = 10,000 CDsApproximately how many fewer CDs will be sold in 2002 than in 2004?
A. 4 CDs B. 40,000 CDs C. 60,000 CDs D. 50,000 CDs