Niki uses 15 litres of water every minute when she has a shower.
she uses 100 litres of water when she has a bath.
how many litres of water does she save by having a 3 1/2 minute shower instead of a bath?

the workers who do no drive has no reasonable reason to buy gasoline due to they don't have anything to use it for

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