Find the slope from the given equation.5x + 9y = 46
A. m = - 
B. m = - 
C. m = 
D. m = 
Answer: B
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Find the exact value of the expression.sin 260° cos 20° - cos 260° sin 20°
A. - 
B. - 
C. 
D. - 
The graph of a polar equation is given. Select the polar equation for the graph. 
A. r = 3 B. r = 6 sin ? C. r sin ? = 3 D. r = 6 cos ?
Determine whether the equation defines y as a function of x. y = 6x2 - 4x + 7
A. function B. not a function
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