Solve the quadratic inequality by sketching the graph of the corresponding quadratic function.x2 + 5x + 9 < 0
A. Solution: ?
B. Solution: [0, ?)
C. Solution: (-?, ?)
D. Solution: (-?, 0)
Answer: A
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Convert 7 g to milligrams.__________ mg
Fill in the blank(s) with the appropriate word(s).
Solve.The supply function for a product is given by p = q2 + 3q + 125 and the demand is given by 
where p is the price in dollars and q is the number of hundreds of units. Find the price that gives market equilibrium and the equilibrium quantity.
A. $10; 255 units B. $255; 1000 units C. $100; 555 units D. $305; 1200 units
Find the length of the third side of the right triangle. Where appropriate, give both an exact answer and an approximation to three decimal places.
A. 
? 14.697
B. 
? 3.464
C. 
= 108.0
D. 
? 15.297
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. What are Mr. Cameron's expected concert earning?
A. $300,000 B. $360,000 C. $60,000 D. $218,400