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 15 hours to prepare, 3 hours to paint, and 4 hours to fire. A sleigh takes 4 hours to prepare, 16 hours to paint, and 7 hours to fire. If the workshop has 99 hours for prep time, 78 hours for painting, and 118 hours for firing, How many of each can be made?
A. 9 wreaths, 4 trees, 3 sleighs
B. 4 wreaths, 3 trees, 9 sleighs
C. 10 wreaths, 5 trees, 4 sleighs
D. 3 wreaths, 9 trees, 4 sleighs
Answer: A
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A. $3282.58 B. $4618.92 C. $673.73 D. $3126.27
Insert a decimal point in the product.92.51 × 6.4 = 592064
A. 5920.64 B. 59.2064 C. 592.064 D. 592,064.
Find the expected value.A new light bulb has been found to have a 0.02 probability of being defective. A shop owner receives 500 bulbs of this kind. How many of these bulbs are expected to be defective?
A. 20 B. 100 C. 10 D. 500
If the following defines a one-to-one function, find its inverse. If not, write "Not one-to-one."{(3, -5), (5, -3), (9, 2), (-9, -2)}
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