Solve the quadratic inequality. Express your solution on a number line using interval notation.(x - 3)(x + 7) > 0
A. (-7, ?)
B. (-7, 3)
C. (-?, -3) ? (7, ?)
D. (-?, -7) ? (3, ?)
Answer: D
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Provide an appropriate response.Find the indicated part of triangle ABC. Round to the nearest 0.1°. Find A if b = 12 m and c = 18 m. 
A. 48.2° B. 0.8° C. 41.8° D. 30.0°
Determine the number of triangles ABC possible with the given parts.a = 35, b = 53, A = 26°
A. 3 B. 0 C. 2 D. 1
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
Solve the equation.4x(4x + 16) = 0
A. 0, - 
B. 0, 4
C. 0, -4
D. 0, -4, 4