Find the exact value of y, or state that y is undefined.y = sec-1 (-1)
A. ?
B. 2?
C. 
D. 0
Answer: A
Mathematics
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Perform the indicated operation. Simplify the answer when possible.
? 
A. 
B. 
C. 15
D. 
Mathematics
Find the special products using patterns.(p - r)(p + r)
A. p2 - 2r2 B. p2 - r2 C. p2 + r2 D. 2p2 - r2
Mathematics
Write an equation of the line.
A. y = 4x
B. y = 4x - 2
C. y = -4x - 2
D. y = 
x - 2
Mathematics
Find the value of the variable that satisfies the equation.-4x + 8 = -9 - 3x
A. x = 7
B. x = 17
C. x = - 
D. x = 
Mathematics