Solve the problem.A rock group is producing a new CD. The cost in dollars to produce a CD is given by 
where x is the number of man hours of work required and y is the number of hours of studio time required. Find the value of x and the value of y that minimize the cost.
A. 92 man hours of work; 15 hours of studio time
B. 90 man hours of work; 18 hours of studio time
C. 89 man hours of work; 14 hours of studio time
D. 95 man hours of work; 20 hours of studio time
Answer: B
Mathematics
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A. 
B. 
C. 
D. 
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Find the inverse of the matrix, if possible.A = 
A. 
B. 
C. 
D. 
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Use inequality symbols to rewrite the statement. Let x represent the unknown.A Software company could lose up to 4% of its market share due to slow product delivery. Let x be the market share lost.
A. x ? 0.04 B. x ? -0.04 C. x ? -0.04 D. x ? 0.04
Mathematics
Use Fundamental Identities and/or the Complementary Angle Theorem to find the exact value of the expression. Do not use a calculator.cos 25°sin 65° + sin 25°cos 65°
A. -1 B. 2 C. 0 D. 1
Mathematics