Use the commutative or the associative property to complete the statement. State which property is used.11 ? (3 ? 8) = (11 ? 
) ? 8
A. 3; commutative property
B. -3; commutative property
C. 3; associative property
D. -3; associative property
Answer: C
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Use the zero-exponent rule to simplify the expression.-100
A. -10 B. 1 C. 0 D. -1
Evaluate the expression for the given value of the variable or variables.2x2 - 8xy + 3y2; x = -4, y = -5
A. 139 B. -53 C. -62 D. 129
Find the length of the unknown side in the right triangle. Round to two decimal places, if necessary.
A. c = 2.31 B. c = 8 C. c = 2 D. c = 6.93
Solve the problem.Marty's Tee Shirt & Jacket Company is to produce a new line of jackets with an embroidery of a Great Pyrenees dog on the front. There are fixed costs of $540 to set up for production, and variable costs of $41 per jacket. Write an equation that can be used to determine the total cost, C(x), encountered by Marty's Company in producing x jackets.
A. C(x) = 540 - 41x B. C(x) = 540x + 41 C. C(x) = 540 + 41x D. C(x) = (540 + 41) x