20% of j is 12 what is j

58.

I don't have the best explanation but that's the answer

60

Step-by-step explanation:

20/100 * j = 12

j = 12 * 100/20

j = 60

24+x=y

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