Factor the polynomial completely. If the polynomial cannot be factored, write "prime."x2 + 81
A. (x + 9)(x - 9)
B. prime
C. (x - 9)2
D. (x + 9)2
Answer: B
Mathematics
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Graph the function.y = 2 cos 
x
A. 
B. 
C. 
D. 
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Find the exact value of y, or state that y is undefined.y = sin-1 
A. 
B. - 
C. 
D. 
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Provide an appropriate response.Taxable income is defined as:
A. adjusted gross income minus exemptions and deductions B. adjusted gross income plus exemptions and deductions C. adjusted gross income minus net income D. adjusted gross income plus the standard deduction
Mathematics
Use multiplication to check the answer. If an answer is incorrect, find the correct answer.
A. Correct B. Incorrect; should be 180 C. Incorrect; should be 179 R225 D. Incorrect; should be 179 R115
Mathematics