Find the exact value of the expression.cos 
cos 
+ sin 
sin 
A. 1
B. 
C. 
D. 
Answer: C
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Provide an appropriate response.Solve the inequality: (2y - 1)(y + 3) ? 0
A. y ? - 
or y ? 3
B. -3 ? y ? 
C. y ? -3 or y ? 
D. - 
? y ? 3
Translate to a system of two equations, then solve.Justin and Tisha are hiking north along the same trail. Tisha is hiking at a comfortable rate of 2 mph and passes a large hollow hickory tree at 4:36 PM. Justin is speeding along at a brisk rate of 4 mph and passes the tree at 5:06 PM. At what time will Justin catch up to Tisha?
A. 5:31 PM B. 5:36 PM C. 5:51 PM D. 5:46 PM
Solve.The strawberry yield (in bushels per acre) for a farm in Springfield from 1996 through 1998 is given by the equation y = 4x2 + 39. In this equation, x = 0 represents the year 1997. Assume this trend continues and predict the year in which the Springfield farm's strawberry yield will be 235 bushels per acre.
A. 2005 B. 2004 C. 2006 D. 2003
Find the coordinates of the vertex for the parabola defined by the given quadratic function.f(x) = (x + 5)2 + 9
A. (-9, 5) B. (-5, 9) C. (9, -25) D. (9, -5)