Decide which of the 5 properties of a commutative group (closure, identity, inverse, associative, commutative) hold for the given system.
A. Closure, identity, inverse, and associative only
B. All of them
C. Closure, identity, associative, and commutative only
D. Identity, inverse, and commutative only
Answer: B
Mathematics
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Solve the problem.The table shows the number of college students who prefer a given pizza topping.
Find the empirical probability that a randomly selected student prefers cheese toppings.
A. 0.343 B. 0.324 C. 0.111 D. 0.329
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Solve the quadratic equation by factoring.x2 - x = 20
A. -4, 5 B. -4, -5 C. 1, 20 D. 4, 5
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Evaluate the expression using the order of operations.
A. -4 B. 2 C. -2 D. 4
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Graph the function by starting with the graph of the basic function and then using the techniques of shifting, compressing, stretching, and/or reflecting.f(x) = 
x2 
A. 
B. 
C. 
D. 
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