Solve the equation.m2 + 10m + 10 = 0
A. {5 + 
, 5 - 
}
B. {5 + 
, 5 - 
}
C. {-5 + 
, -5 - 
}
D. {-10 + 
, -10 - 
}
Answer: C
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Use the even-odd identities to find the exact value of the expression. csc (-30°)
A. 2
B. 
C. -2
D. - 
Simplify.
A. 
B. 1 - 2x
C. 
D. -1
Solve the problem.Assume that the elevation E, in feet, of a sag in a proposed route is given by 
where x represents the horizontal distance in feet along the proposed route and 0 ? x ? 5000. For what x-values is the elevation 1150 feet? Round your answer to the nearest foot.
A. x = 566 ft or x = 7500 ft B. x = 556 ft or x = 7500 ft C. x = 556 ft or x = 7510 ft D. x = 566 ft or x = 7510 ft
Solve the problem.Find the area of the rectangle by multiplying the length and the width of the large rectangle using the FOIL method.
A. x2 + 10x B. x2 + 21 C. x2 + 20x + 21 D. x2 + 10x + 21