8.5 to 17 ratio simplified

0.5:1

Hope it helps yah(◕ᴗ◕✿)

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

answer: 12   they all have at least 28 days

step-by-step explanation: haha