The end of a spring is pulled as far as it will go and then is released. On the first bounce back it extends 144 cm. On its second bounce back it extends 72 cm. On its third bounce back it extends 36 cm. How many times will the spring bounce back before it extends 9/8 cm?

Answer choices:
a) 6
b) 7
c) 8
b) 9

answer: 33 ( approx)

step-by-step explanation:

since, in the linear regression formula, the slope is the a in the equation y = b + ax ( by comparing it with the general equation of line y = mx + c )

where,

here given table is,

price ($), x   :           18         23       25       29       30       33

pairs sold, y :         16         13         10       8         6       2

so, ,   ,   ,

and   ,

thus, slop of the given line is,

⇒  

⇒   ≈ 33

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step-by-step explanation:

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25/6

step-by-step explanation:

you multiply 4 by the denominator (4*6=24) and add it to the numerator which makes it 25/6.