Write a system of linear equations in three variables, and then use matrices to solve the system.A ceramics workshop makes wreaths, trees, and sleighs for sale at Christmas. A wreath takes 3 hours to prepare, 2 hours to paint, and 10 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 93 hours for prep time, 74 hours for painting, and 107 hours for firing, how many of each can be made?
A. 8 wreaths; 5 trees; 4 sleighs
B. 3 wreaths; 7 trees; 4 sleighs
C. 7 wreaths; 4 trees; 3 sleighs
D. 4 wreaths; 3 trees; 7 sleighs
Answer: C
Mathematics
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Find the x- and y-intercepts. If no x-intercepts exist, state so. Round to two decimal places if necessary.f(x) = -x2 + 4x - 8
A. 
, (0, -8)
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D. 
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Mathematics