Use the summation properties to evaluate the series. The following rules may be needed: 
.
A. 171
B. 63
C. 
D. 
Answer: B
Mathematics
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Write the number as a product of a real number and i. Simplify the radical expression.
A. 2
B. -2
C. 2i
D. -2i
Mathematics
Solve the problem.Find an equation of the function f sketched below in the form 
. Use the vertex to find the values of h and k and use a second point on the graph to find the value of a.
A. f(x) = (x + 1)2 - 1 B. f(x) = (x + 1)2 + 1 C. f(x) = (x - 1)2 - 1 D. f(x) = (x - 1)2 + 1
Mathematics
Find the missing numerator and denominator.
÷ 
= 
A. 
B. 
C. 
D. 
Mathematics
Solve the equation. Express radicals in simplest form.3x2 - 3x + 6 = 10x + 3
A. 
B. 
C. 
D. 
Mathematics