Find the least common denominator (LCD).
, 
, 
A. 180x5
B. 90x20
C. 36x2
D. 60x5
Answer: A
Mathematics
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Find the center and radius of the sphere.x2 + y2 + z2 - 14x - 12y + 2z = -37
A. C(7, 6, -1), a = 49 B. C(7, 6, -1), a = 7 C. C(-7, -6, 1), a = 7 D. C(7, 6, 1), a = 7
Mathematics
Provide an appropriate response.When the numerator is the same as the denominator, for example 
, the fraction is called a(n) 
fraction.
A. whole B. proper C. uncommon D. improper
Mathematics
Find the approximate value of the expression, rounded to four decimal places.tan 47.4°
A. -0.9621 B. 0.6769 C. 1.0875 D. 0.7361
Mathematics
Write the inequality in interval notation.
A. (4, ?) B. (-?, ?] C. (-?, 4) D. (-?, -5]
Mathematics