Solve for x. Assume that a and b represent positive real numbers.x2 - a2 - 81 = 0
A. {
, - 
}
B. {a2 + 81, a2 - 81}
C. {
, - 
}
D. {
, - 
}
Answer: A
Mathematics
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A. y = (x - 3)2 B. y = x2 - 3 C. y = (x + 3)2 D. y = x2 + 3
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Find the closest fractional equivalent for the following decimal measurement using the given denominator.0.802 in. (64ths)
A. 
B. 
C. 
D. 
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Find the product.2
× 
A. 
B. 2
C. 2
D. 
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Multiply or divide as indicated.
? 
A. 
B. 
C. 
D. 
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