Find the area of the triangle.
A. 27 ft2
B. 12 ft2
C. 24 ft2
D. 9 ft2
Answer: B
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Solve the problem. Round your answer to the nearest tenth, when appropriate. Use the formula 
, as needed.Find [H3O+] if the pH = 6.
A. 1.0 × 10-6 B. 2.0 × 106 C. 1.0 × 106 D. 3.0 × 10-6
Solve the problem.Four married couples have reserved eight seats in a row at the theater, starting at an aisle seat. In how many ways can they arrange themselves if the four men occupy the four seats closest to the aisle?
A. 576 B. 16 C. 24 D. 40,320
Subtract.17 - 0
A. 1 B. 14 C. 0 D. 17
Solve the problem.An entrepreneur is establishing a small business to manufacture glass lamp shades. Her initial investment is $6000, and her unit cost to manufacture each lamp shade is $90. Write an equation that gives the total cost C of manufacturing n lamp shades. Plot the total cost of manufacturing 200, 400, and 600 lamp shades.
A. C = 90n + 6000
B. C = 6000n
C. C = 90n - 6000
D. C = 90n