Multiply.
? 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Compute r, the linear coefficient of correlation, for the given data.The paired data below consist of the costs of advertising (in thousands of dollars) and the number of products sold (in thousands):
A. 0.708 B. 0.235 C. 0.246 D. -0.071
Mathematics
Sketch the coordinate axes and then include the vectors u, v, and u × v as vectors starting at the origin.u = i + k, v = i - k
What will be an ideal response?
Mathematics
Solve.
+ 
= -1
A. 
B. 1
C. 0
D. No solution
Mathematics
Use the simplex method to solve.Minimize 3x + 2y subject to the following constraints.
What will be an ideal response?
Mathematics