Drag the tiles to the boxes to form correct pairs. Not all tiles will be used. Match the hyperbolas represented by the equations to their foci.
(3 + 2)2 G - 5)
32
4)2 (+ 2)
152
=1
G + 5)2 (: - 1)
162 32
(s - 4) 6 + 2)
82
(y - 3)? (5 - 7)
122
-=1
G - 3)2 (+ + 7)?
52
=
6 + 5)2 (5 - 1)
82=1
(1, -22) and (1, 12)
(-7,5) and (3,5)
(-6, -2) and (14,-2)
(-7, -10) and (-7, 16)
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An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.