Find the missing length in the right triangle. If necessary, round to the nearest tenth.
A. 11.5 cm
B. 80.5 cm
C. 12.7 cm
D. 161.0 cm
Answer: C
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Solve the problems.Last year, Karen's average electricity bill was $180.64. In October, her electricity bill was $218.95. How much more than last year's average was the October bill?
A. $38.41 B. $28.31 C. $39.31 D. $38.31
Solve by addition or substitution.-4x + 2y = 34x - 2y = 3
A. 
B. 
C. {(r, s)|-4r + 2s = 3}
D. ?
Solve the problem.Shown is the image of a figure under the two successive translations that take P to P' and then P' to P''. Find the original figure. Note again, the given figure is the image after translation. Hint: First find the final image of a point if it were translated by both translations. Then what happens in the reverse process?
A. 
B. 
C. 
D. 
Find the asymptotes of the hyperbola.x2 - y2 = 72
A. y = x, y = - x
B. y = 72x, y = - 72x
C. y =2x, y = - 2x
D. y = 
, y = - 