Use the commutative and associative properties to simplify the expression.
(-15y)
A. -25y
B. 25y
C. 15y
D. -8y
Answer: A
Mathematics
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Provide an appropriate response.For x ? 9, the rational expression 
is equal to 3. Can the same be said for 
? Explain why or why not.
What will be an ideal response?
Mathematics
Suppose P(C) = .048, P(M ? C) = .044, and P(M ? C) = .524. Find the indicated probability.P(M' ? C')
A. .466 B. .004 C. .524 D. .956
Mathematics
Use I = Prt for simple interest to find the indicated quantity.P = $13,500; t = 4 months; I = $517.50. Find r.
A. 11.7% B. 7.7% C. 3.8% D. 11.5%
Mathematics
Simplify the rational expression.
A. 
B. 
C. - 
D. 
Mathematics