Find an equation for the ellipse described.Center at (4, 4); focus at (12, 4); vertex at (14, 4)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 2
D. 
- 
= 1
Answer: B
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Answer the question.A a single card is chosen at random from a deck of 52 cards, the probability that a face card ( Jack , Queen, King) is selected is 
. Does this probability mean that, if you choose a card at random 13 times, a face card will appear 3 times? If not, what does it mean?
A. Yes.
B. No, a probability of 
tells us nothing.
C. No, it means that if a card was chosen at random from a deck of 52 cards many times, about 
of the outcomes would be face cards.
D. No, it means that if a card was chosen at random from a deck of 52 cards exactly 52 times, exactly 12 outcomes would be face cards.
What number should be added to complete the square of the expression?x2 - 
x
A. 
B. - 
C. 
D. - 
Find the difference.
- 
A. 
B. 
C. - 
D. - 
Solve the problem.A pendulum is released and swings until it stops. If it passes through an arc of 35 inches the first pass, and if on each successive pass it travels 
the distance of the preceding pass, how far will it travel before stopping?
A. 175 in. B. 140 in. C. 315 in. D. 210 in.