Find the area of the triangle using Heron's formula. Round your answer to two decimal places as needed.
A. 16.43 mm2
B. 5.81 mm2
C. 8.22 mm2
D. 11.62 mm2
Answer: D
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Find the unknowns on the right side of the partial fraction decomposition.
= 
+ 
+ 
A. A = -7, B = 
, C = 
B. A = 7, B = 
, C = 
C. A = -7, B = - 
, C = - 
D. A = 7, B = - 
, C = - 
Write the first six terms of the geometric sequence with first term, a1, and common ratio, r.a1 = - 
, r = -4
A. - 
, - 
, - 
, - 
, - 
, - 
B. - 
, 
, - 
, 
, - 
, 
C. 
, - 
, 
, - 
, 
, - 
D. - 
, - 
, 
, - 
, 
, - 
Evaluate the expression, if possible.1000-1/3
A. - 
B. -10
C. 
D. 
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. An insurance company is willing to insure the concert for $150,000 against rain for a premium of $30,000. If he buys this policy, what are his expected earnings from the concert?
A. $180,000 B. $300,000 C. $270,000 D. $239,400