Solve the equation by the method of your choice. Simplify irrational solutions, if possible.x2 + 18x + 66 = 0
A. {-18 ± 
}
B. {-9 ± 
}
C. {9 ± 
}
D. {9 ± 
}
Answer: B
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? is an acute angle and sin ? and cos ? are given. Use identities to find the indicated value.sin ? = 
, cos ? = 
. Find csc ?.
A. 
B. 
C. 
D. 
Evaluate the sum.
A. 
B. 
C. 
D. 
Solve the problem.As part of a physics experiment, Ming drops a baseball from the top of a 350-foot building. To the nearest tenth of a second, for how many seconds will the baseball fall? (Hint: Use the formula h = 16t2, which gives the distance h, in feet, that a free-falling object travels in t seconds.)
A. 4.7 sec B. 21.9 sec C. 1.2 sec D. 87.5 sec
For points 
in quadrant IV, the ratio 
is always negative because x is always positive and y is always negative. In what other quadrant is the ratio
src="https://sciemce.com/media/3/ppg__cognero__Section_1.2_The_Rectangular_Coordinate_System__media__85aa7c39-8118-4668-b8e1-d10e7a4f8695.PNG" style="font-size:14.6667px;font-family:'times new roman';vertical-align:middle;" /> always negative? ? A. quadrant I B. quadrant VI C. quadrant III D. quadrant II E. none of the above