Find the product.(4x + 11)(4x - 11)
A. 16x2 - 121
B. 4x2 - 88x - 121
C. 16x2 - 88x - 121
D. 16x2 + 88x - 121
Answer: A
Mathematics
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A. - 
B. - 
C. 
D. 
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The point P(x, y) on the unit circle that corresponds to a real number t is given. Find the values of the indicated trigonometric function at t.
?Find cot t.
A. 
B. - 
C. 
D. - 
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Provide an appropriate response.In a leap year, February has 
days.
A. 30 B. 29 C. 28 D. 31
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Find the sum.- 
+ 
A. 
B. 
C. 1
D. 
Mathematics