Use FOIL to multiply.(z + 10)(z + 9)
A. 2z2 + 90
B. z2 + 19z + 90
C. 2z + 90
D. z2 + 19z + 19
Answer: B
Mathematics
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A. 
(6 - ?)
B. 
(4? - 3
)
C. 
(3
- ?)
D. 
(2? - 3
)
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On the real number line, label the points with the given coordinates.-9, -7, -5, -3 
A. 
B. 
C. 
D. 
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Find the exact value of the expression or state that it does not exist.tan-1 
A. 
B. - 
C. - 
D. 
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Verify the identity.sin(? - ?) cos(? + ?) = sin ? cos ? - sin ? cos ?
What will be an ideal response?
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