Evaluate the expression for the given replacement values. Write the answer in simplest form.(x - y)2; x = - 
and y = 
A. - 4
B. - 32
C. 32
D. 4
Answer: D
Mathematics
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Graph.y = -2x2 - 4x + 2
A. 
B. 
C. 
D. 
Mathematics
Use the information given about the angle ?, 0 ? ? ? 2?, to find the exact value of the indicated trigonometric function.tan ? = 2, cos ? < 0Find cos 
.
A. -
B. 
C. - 
D. 
Mathematics
Change the decimal into a proper fraction or mixed number. Simplify if necessary. 4.2
A. 4
B. 
C. 1
D. 
Mathematics
Provide an appropriate response.Explain why the graphing method is not satisfactory for solving a linear programming problem with 3 variables.
What will be an ideal response?
Mathematics