Solve the equation algebraically. Verify your solution with a graphing utility.x2 - 6x - 27 = 0
A. {3, -9}
B. {-3, 9}
C. {3, 9}
D. {-3, -9}
Answer: B
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Solve the given applied problems involving variation.The volume of wood, V, obtained from a tree varies jointly as the height, h, and the square of the girth (the distance around the tree trunk), g. If the volume is 38.4 ft3 when the height is 30 ft and the girth is 4 ft, what is the volume when the height is 45 ft and the girth is 5 ft?
A. 90 ft3 B. 85.76 ft3 C. 93 ft3 D. 92.35 ft3
Use the basic trigonometric identities and the given information to find the exact values of the remaining trigonometric functions.cos ? = 
and 270° < ? < 360°
A. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
B. sin ? = 
cos ? = - 
tan ? = - 
csc ? = 
sec ? = - 
cot ? = - 
C. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
D. sin ? = - 
cos ? = 
tan ? = - 
csc ? = - 
sec ? = 
cot ? = - 
Multiply. 
A. 217.16 B. 2.1716 C. 0.21716 D. 21.716
Solve the problem.A town has a population of 3000 people and is increasing by 9% every year. What will the population be at the end of 9 years? Round answer to the nearest whole number.
A. 7102 people B. 5430 people C. 6516 people D. 5978 people