Solve the problem.Which of the lines in the picture are lines of symmetry of the given figure?
A. k, m, and n
B. n
C. l and n
D. k, l, m, and n
Answer: B
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Prepare a vertical analysis. Round percents to the nearest tenth of a percent. Wandell's Garden Shop had a cost of goods sold of $111,000, operating expenses of $43,000, and net sales of $203,000.
A. Percent cost of goods sold = 33.5% Percent operating expenses = 54.7% B. Percent cost of goods sold = 54.7% Percent operating expenses = 33.5% C. Percent cost of goods sold = 54.7% Percent operating expenses = 21.2% D. Percent cost of goods sold = 21.2% Percent operating expenses = 54.7%
Solve the problem.What is the coefficient of a3b4c2 in the expansion of (a + b + c)9?
A. 2520 B. 288 C. 40,320 D. 1260
Determine if the ordered pair is a solution to the given inequality.x2 - xy > 36; 
A. Yes B. No
Factor completely. If the polynomial cannot be factored, say it is prime.12x2 - 42x - 24
A. (12x - 6)(x + 4) B. 6(2x - 1)(x + 4) C. 6(2x + 1)(x - 4) D. prime