Solve the problem.In how many ways can five pairs of socks be chosen from a collection of ten socks?
What will be an ideal response?
? 
= 945
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Solve the problem.Two machines are turned on at 8:00 A.M. If one can produce 64 items each hour and the other can produce 33 items each hour, at what time will they produce a total of 194 items?
A. 11:30 A.M. B. 10:00 A.M. C. 9:00 A.M. D. 11:00 A.M.
Write an augmented matrix for the system of equations.9x + 5y = 49 2y = -2
A. 
B. 
C. 
D. 
State the name of the property illustrated.3 + (-5) = (-5) + 3
A. Distributive property of multiplication over addition B. Commutative property of addition C. Associative property of addition D. Identity property of addition
Use an associative property to rewrite the algebraic expression. Once grouping has been changed, simplify the resulting algebraic expression.6 + (4 + x)
A. (6 + 4) + x; 10x B. (6 + 4) + x; 10 C. (6 + 4) + x; 10 + x D. 6 + (4 + x); 6 + 4x