Use an associative law to find an equivalent expression.r + (8 + s)
A. (r + 8) + s
B. r + (s + 8)
C. (8 + s) + r
D. r(8 + s)
Answer: A
Mathematics
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Solve the problem.The 17th hole at the Riverwoods Golf Course is 225 yards long. How long would it be on a model with a scale of 1.5 inches to 75 yards?
A. 112.5 in. B. 33.75 in. C. 4.5 in. D. 2.25 in.
Mathematics
Determine which inequality matches the graph.
A. y ? -2x - 2 B. y ? 2x - 2 C. y ? 2x - 2 D. y ? -2x - 2
Mathematics
Find the domain of the composite function f?g.f(x) = 
, g(x) = x + 7
A. (-?, -9) ? (-9, -7) ? (-7, ?) B. (-?, ?) C. (-?, -9) ? (-9, ?) D. (-?, -16) ? (-16, ?)
Mathematics
Determine whether the functions f(x) and g(x) are inverse functions.f(x) = -9x, g(x) = 
x
A. Yes B. No
Mathematics