Solve the problem using matrices.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, 14 hours to paint, and 7 hours to fire. If the workshop has 109 hours for prep time, 57 hours for painting, and 97 hours for firing, how many of each can be made?
A. 7 wreaths; 5 trees; 2 sleighs
B. 2 wreaths; 7 trees; 5 sleighs
C. 8 wreaths; 6 trees; 3 sleighs
D. 5 wreaths; 2 trees; 7 sleighs
Answer: A
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Solve the problem.Find the expected value of the random variable with outcomes and associated probability distribution shown in the following table. 
A. 58 B. 56 C. 32 D. 12 E. 50
Solve and simplify.m + 
= - 
A. m = - 
B. m = 
C. m = - 
D. m = - 
Solve the equation.
(10x - 
) - 
= 
A. 
B. 
C. 
D. 
Provide the proper response.If f(x) gives the rate of change of F(x) for x in [a, b], then 
representsi) the total change in F(x) as y goes from a to b.ii) the total change in F(x) as x goes from a to b.iii)the total change in f(x) as x goes from a to b.
A. Only ii is correct. B. Either ii or iii could be correct. C. Only i is correct. D. Only iii is correct.