Solve the equation.
= 1
A. 
B. 
C. 
D. no real solution
Answer: A
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Provide an appropriate response.What form do planes perpendicular to the y-axis have in cylindrical coordinates?
A. r = a sin ? B. r = a sec ? C. r = a cos ? D. r = a csc ?
A card is drawn randomly from a standard 52-card deck. Find the probability of the specified event. The card is a heart picture card (the jack, queen, or king of hearts).
A. 
B. 
C. 
D. 
Multiply or divide. Write the answer in lowest terms. 
? 
A. 
B. 
C. 
D. 
Solve the problem.A ceramics workshop makes wreaths, trees, and sleighs for sale at Christmas. A wreath takes 3 hours to prepare, 2 hours to paint, and 9 hours to fire. A tree takes 16 hours to prepare, 3 hours to paint, and 4 hours to fire. A sleigh takes 4 hours to prepare, 13 hours to paint, and 7 hours to fire. If the workshop has 125 hours for preparation time, 58 hours for painting, and 101 hours for firing, how many of each can be made?
A. 8 wreaths, 7 trees, 3 sleighs B. 6 wreaths, 2 trees, 7 sleighs C. 7 wreaths, 6 trees, 2 sleighs D. 2 wreaths, 7 trees, 6 sleighs