Find an equation for the ellipse described.Focus at (-2, 0); vertices at (±6, 0)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: D
Mathematics
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Solve the problem. Express the answer as a percentage.41% of the workers at Motor Works are female, while 48% of the workers at City Bank are female. If a worker is selected at random, what is the probability that the worker will be from Motor Works, given that the worker is female? Round your answer to the nearest tenth, if necessary.
A. 41% B. 48% C. 53.9% D. 46.1%
Mathematics
Match the function with one of the graphs.f(x) = - 
x
A. 
B. 
C. 
D. 
Mathematics
Factor completely.56x8y9 - 80x2y7 + 64x5y4
A. 8x2y4(7x6y5 - 10y3 + 8x3) B. 8x2(7x6y9 - 10y7 + 8x3y4) C. x2y4(56x6y5 - 80y3 + 64x3) D. 8(7x8y9 - 10x2y7 + 8x5y4)
Mathematics
Give an appropriate answer.Let
f(x) = 243. Find
.
A. 3 B. 10 C. 5 D. 243
Mathematics