Find the area of the triangle using Heron's formula. Round your answer to two decimal places as needed.
A. 96 in.2
B. 33.94 in.2
C. 67.88 in.2
D. 24 in.2
Answer: A
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Four heirs (A, B, C, and D) must fairly divide an estate consisting of two items - a house and a cabin - using the method of sealed bids. The players' bids (in dollars) are:
After all is said and done, the final allocation to player A is
A. $65,000 in cash. B. the cabin plus $20,000 in cash. C. the cabin plus $10,000 in cash. D. the cabin plus $5000 in cash. E. none of these
Factor completely.6a3 + 9a2b - 8ab2 - 12b3
A. (6a2 - 4b2)(a + 3b) B. (3a2 - 4b2)(2a + 3b) C. (3a2 + 4b2)(2a - 3b) D. (3a2 - 4b)(2a + 3b)
Factor the polynomial.(5x + y)2 - 81
A. (5x + y + 9)(5x + y - 9) B. (5x + y - 9)2 C. prime D. (5x + y + 9)2
Verify the identity.(1 - cos x)(1 + cos x) = sin2 x
What will be an ideal response?