Does the problem involve permutations or combinations? Do not solve.The matching section of an exam has 3 questions and 9 possible answers. In how many different ways can a student answer the 3 questions, if none of the answer choices can be repeated?
A. permutations
B. combinations
Answer: A
Mathematics
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Multiply.(-4)(-4)(-4)
A. -54 B. -74 C. -64 D. 64
Mathematics
Fill in the blank with one of the words or phrases listed below. 
By the 
property of equality, we may multiply or divide both sides of an equation by any nonzero number without changing the solution of the equation.
A. constant B. multiplication C. addition D. distributive
Mathematics
Solve the problem.Use the graph to determine how many hours were needed to prepare for Test 2.
A. 2 hours B. 3 hours C. 5 hours D. 1 hours
Mathematics
Use the graph to solve the problem.The graph shows the relationship between the area A of a rectangle and the length L, if the width is fixed. Find the area if the length is 4 cm.
A. 48 cm2 B. 72 cm2 C. 12 cm2 D. 0 cm2
Mathematics