Find the slope of the line containing the two points.(9, -5); (-7, 8)
A. 
B. 
C. - 
D. - 
Answer: D
Mathematics
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Evaluate.
, when m = 9 and n = 15
A. -12 B. 4 C. -6 D. -2
Mathematics
Simplify the expression. Write the answer with only positive exponents. All variables are nonzero.(4x-3y5)-1 ? 
A. 0
B. 
C. 
D. 
Mathematics
The cost of sending an overnight package from Los Angeles to Miami is $26.30 for a package weighing up to but not including 1 pound and $4.00 for each additional pound or portion of a pound. A model for the total cost C (in dollars) of sending the package is ? ? = 26.30 + 4.00[[x]], x> 0, where x is the weight in pounds. ? Select the graph of the model. ?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Differentiate.y = 
A. 
B. 
C. 
D. 
Mathematics