Find the center and the radius of the circle.x2 + y2 - 4x = -12y - 36
A. (2, -6); r = 3
B. (3, -7); r = 2
C. (2, -6); r = 2
D. (5, -6); r =2
Answer: C
Mathematics
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A. {(5, 0)} B. {(0, 10)} C. {(x, y)| 2x + y = 10} D. ?
Mathematics
Solve the differential equation.ex
+ 5ex y = 4, x > 0
A. y = e-x + ce-5x, x > 0 B. y = e-5x + ce-x, x > 0 C. y = ex + ce-5x, x > 0 D. y = e-x + e-5x, x > 0
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Solve the problem.Sven can type 1620 words in 
hour (45 minutes). How many words per minute can he type?
A. 27 words/minute B. 36 words/minute C. 1215 words/minute D. 48 words/minute
Mathematics
Rewrite the following expression using only one exponent:
?
What will be an ideal response?
Mathematics