Write the fraction that is represented by the given shading.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find an explicit formula for an.0, 2, 2, 2, 0, 2, 2, 2, . . .
A. an = 1 + (-1)(n(n - 1))/2 B. an = 1 + (-1)(n(n + 1))/2 C. an = 1 + (-1)((n+1)(n+2))/2 D. an = 1 + (-1)(n(n + 1)(n + 2))/6
Mathematics
Find an equation of variation in which the following are true.y varies jointly as x and z and inversely as the product of w and p, and 
when x = 5, z = 10, 
and 
A. y = 
B. y = 
C. y = 
D. y = 
Mathematics
Use the graph to determine the equation of the circle in center-radius form.
A. (x - 2)2 + (y + 3)2 = 3 B. (x + 2)2 + (y - 3)2 = 3 C. (x - 2)2 + (y + 3)2 = 9 D. (x + 2)2 + (y - 3)2 = 9
Mathematics
Write the phrase as a variable expression. Use x to represent "a number."9 decreased by 4 times a number
A. 9 - 4x B. 4x - 9 C. 4 - 9x D. 9x - 4
Mathematics