Evaluate 
using the summation formulas and properties.
A. 
B. 
C. 
D. 
E. 
Answer: D
Mathematics
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Find an equation for the ellipse.Center at (0, 0); focus at (0, -6); vertex at (0, 7)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Evaluate the expression.61
A. 
B. 6
C. 1
D. -6
Mathematics
Convert the angle from degrees to radians. Round to the nearest hundredth.19°
A. 0.22 B. 0.33 C. 0.66 D. 0.17
Mathematics
Find 
. Write your answer in standard polar form with the argument in radians.z1 = 
, z2 = 
A. 
B. 
C. 
D. 
Mathematics