Find an equation for the ellipse.Focus at (0, -4); vertices at (0, ±7)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: C
Mathematics
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Evaluate the integral.
A. - 
cos 14x - 
cos 2x + C
B. - 
cos 14x - 
sin 14 x + C
C. 
sin 2x + 
sin 14x+ C
D. 
sin 2x - 
sin 14x+ C
Mathematics
Perform the addition visually using symbols.5 + (-3)
A. 2 B. -8 C. -2 D. 8
Mathematics
Simplify. Assume that no denominator is zero and 00 is not considered.-5n5 ? 3n8
A. -2n40 B. -15n13 C. -15n40 D. -2n13
Mathematics
A parabolic archway has the dimensions shown in the figure. Find the equation of the parabolic portion.
?
?
ft, 
ft, 
ft, 
ft
?
What will be an ideal response?
Mathematics