Provide an appropriate response.It can be shown that an ellipse with foci (c, 0) and (-c, 0), where the sum of the distances from any point (x, y) of the ellipse to the two foci is 2a, has the equation 
+ 
= 1. Use this result to find an equation of an ellipse with foci (2, 0) and (-2, 0), where the sum of the distances from any point of the ellipse to the two foci is 12.
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. x2 + y2 = 144
Answer: B
Mathematics
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Evaluate the integral.
A. 
+ C
B. 
+ C
C. 
+ C
D. 
+ C
Mathematics
Write the vector v in the form v1i + v2j, given 
and the angle ? that v makes with the positive x-axis.
= 15, ? = 120°
A. - 
i + 
j
B. 
i - 
j
C. 
i - 
j
D. - 
i + 
j
Mathematics
Find the unknown side for the following figure.
A = 192 cm2
A. h = 8 cm B. h = 32 cm C. h = 16 cm D. h = 24 cm
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics