Provide an appropriate response.Is the best buy (lowest cost per unit) always the best value? If it is not, give an example and explain why.
What will be an ideal response?
No. Examples will vary. Reasons why are more quality in the same size, spoilage, size, etc.
Mathematics
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Solve the system of equations by use of determinants. 4x - 7y + 7z = 9-6x + 4y + 4z = 20 3x - 9y - 2z = -52
A. x = 5, y = 4, z = 5 B. x = 4, y = -6, z = -5 C. x = 6, y= 5, z = 6 D. x = 4, y = 6, z = 5
Mathematics
Express the given expression in simplest form with only positive exponents.
A. 
B. 
C. x52
D. x32
Mathematics
Evaluate the expression by hand, if possible.log 1,000,000
A. -6 B. 1 C. 6 D. 10
Mathematics
Solve the problem.The profit made when t units are sold, t > 0, is given by 
Determine the number of units to be sold in order for P > 0 (a profit is made).
A. t = 20 or t = 18 B. t = 38 C. t > 20 or t < 18 D. 20 < t < 18
Mathematics