Find the LCD. Do not combine fractions.
, 
A. x + 5
B. (x + 5)(x2 - 25)
C. x2 - 25
D. (x + 5)(x - 5)2
Answer: C
Mathematics
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Use Stokes's Theorem to calculate 
.F = x5i + 9xj + 5k; S is the upper hemisphere of x2 + y2 + z2 = 100
A. ? B. 100 C. 100? D. 900?
Mathematics
Find the center (h, k) and radius r of the circle. Graph the circle.x2 + y2 - 2x - 12y + 21 = 0 
A. (h, k) = (-1, 6); r = 4
B. (h, k) = (1, -6); r = 4
C. (h, k) = (1, 6); r = 4
D. (h, k) = (-1, -6); r = 4
Mathematics
Write the x- and y-intercepts of the graph.
A. x-intercept: 2; y-intercept: -8 B. x-intercept: -2; y-intercept: -8 C. x-intercept: -2; y-intercept: 8 D. x-intercept: 2; y-intercept: 8
Mathematics
Simplify the expression:
a. -4 b. -1 c. 23 d. -25
Mathematics