Find an equation for the ellipse described.Foci at (-1, 5) and (-1, -1); length of major axis is 10
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: D
Mathematics
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Multiply.(x + 
)(x - 
)
A. x2 - 
B. x2 + 16x - 6
C. x2 - 16x - 6
D. x2 - 16
Mathematics
Simplify the expression.(2p3s)2
A. 2p5s2 B. 4p5s2 C. 2p6s2 D. 4p6s2
Mathematics
Solve the problem.The enrollment at a community college is 47% males. If the total enrollment is 3,910 students, how many females are enrolled? Round to the nearest whole number.
A. 2,072 females B. 2,046 females C. 1,838 females D. 1,788 females
Mathematics
Using the factoring method, solve for the roots of the quadratic equation.15x2 + 31x + 4 = -6
A. x = 
, x = 
B. x = - 
, x = - 
C. x = 
, x = 
D. x = - 
, x = - 
Mathematics