the water level of a proud drops an inch every 7 days without rain. how many days will it take the ponds water level to drop by 12 inches​

c > -10.55

step-by-step explanation:

for this case we have by definition, if two lines are perpendicular, then the product of their slopes is -1.

then, given the following line:

so,

we are looking for m_ {2}:

then, the line is given by:

we find "b" replacing the given point:

finally, the equation is:

option c

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discount would be 35% off

step-by-step explanation: