Solve. Write the fraction in simplest form.There are 14,400 runners at a marathon. If 12,000 are male, what fraction of the runners are female?
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Find an equation for the ellipse described.Foci at (0, -3) and (0, 3); length of the major axis is 12
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Establish the identity.sin(x + y) - sin(x - y) = 2 cos x sin y
What will be an ideal response?
Mathematics
Find any numbers for which the rational expression is undefined.
A. a = 4 B. a = -4 C. a = 0 D. none
Mathematics
Use Gauss-Jordan elimination on the augmented matrix [A|B] to solve for the matrix X.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics