Write a percent proportion where the part and the whole are known. Solve the problem to find the percent. Show your work, and explain.

what % 65 is 13

Step-by-step explanation:

13/65 = x/100

13 x100

65x = 1,300

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