Solve the problem.A furniture manufacturer uses two types of fabric for a certain type of sofa. It is estimated that between 30 and 40 rolls of fabric A will be needed, but no more than 20 rolls of fabric B. It is also estimated that the total number of rolls needed will be less than 50. Graph the possible number of rolls of fabric that are needed. 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Evaluate the expression. |7 - 8|
A. 1 B. 15 C. 56 D. -1 E. -15
Mathematics
Solve the problem.If the average cost per unit 
(x) to produce x units of plywood is given by 
(x) = 
, what do 600 units cost?
A. $599.97 B. $18,000.00 C. $580.65 D. $150.00
Mathematics
Find the derivative of the function.y = log |5 - x|
A. - 
B. 
C. - 
D. - 
Mathematics
Find the indicated probability. Round as indicated.Find the probability of correctly answering the first 3 questions on a multiple choice test if random guesses are made and each question has 5 possible answers. Leave your answer in fractional form.
A. 
B. 
C. 
D. 
Mathematics