Simplify.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the exact value of the real number y.y = sec-1 (
)
A. 
B. 
C. 
D. 
Mathematics
Solve.At 35 cents a foot, what is the cost to weatherstrip four windows measuring 51 inches by 68 inches and all sides except the bottom of the two doors that are 35 inches wide and 76 inches high?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve and graph.|x + 1| ? 0
A. {x
x < -1}, or (-?, -1)
B. {-1}
C. ?
D. {1}
Mathematics
Divide. Express the quotient in lowest terms.
÷ 
A. 
B. 
C. 
D. 2y4z5
Mathematics