Solve by factoring and using the principle of zero products.36n2 + 90n = 0
A. - 
, 90
B. 0 , 
C. - 
, 0
D. - 
Answer: C
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How many permutations does a combination lock have if each combination has three numbers, no two numbers of any combination are equal, and the lock has 30 numbers? ?
A. 24,355 B. 24,295 C. 24,366 D. 24,360
Use a tree diagram showing all possible results when a die is rolled twice. List the ways of getting the following result.At least one die shows a 3.
A. (3, 1),(3, 2),(3, 4),(3, 5),(3, 6), (1, 3), (2, 3), (4, 3), (5, 3), (6, 3) B. (3, 1),(3, 2),(3, 4),(3, 5),(3, 6) C. (3,3) D. (3, 1),(3, 2),(3, 3), (3, 4),(3, 5),(3, 6), (1, 3), (2, 3), (4, 3), (5, 3), (6, 3)
Decide whether the pair of lines is parallel, perpendicular, or neither.The line through (3, -5) and (-1, 7) and the line through 
and 
A. Neither B. Perpendicular C. Parallel
Evaluate the expression.(g ? f)(c) when f(x) = -5x + 4 and g(x) = 3x + 4.
A. 15c + 16 B. -15c + 24 C. -15c + 16 D. -15c - 8