Find the standard form of the equation of the circle.Center at (-5, 4) and tangent to the y-axis.
A. (x - 5)2 + (y + 4)2 = 25
B. (x + 5)2 + (y - 4)2 = 5
C. (x + 5)2 + (y - 4)2 = 16
D. (x + 5)2 + (y - 4)2 = 25
Answer: D
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Solve.A boat travels 3 miles south and then 10 miles east.How far is the boat from its starting point?
A. 
mi
B. 
mi
C. 
mi
D. 
mi
Find all the complex roots. Leave your answers in polar form with the argument in degrees.The complex cube roots of -8i
A. 8(cos 90° + i sin 90°), 8(cos 210° + i sin 210°), 8(cos 330° + i sin 330°) B. 512(cos 90° + i sin 90°), 512(cos 210° + i sin 210°), 512(cos 330° + i sin 330°) C. 2(cos 180° + i sin 180°), 2(cos 300° + i sin 300°), 2(cos 60° + i sin 60°) D. 2(cos 90° + i sin 90°), 2(cos 210° + i sin 210°), 2(cos 330° + i sin 330°)
Write the percent as a fraction or mixed number in lowest terms.60%
A. 6
B. 
C. 
D. 
Draw a sketch of the two graphs described, with the indicated number of points of intersection.A circle and an ellipse; two points
A. 
B. 
C. 
D. 