what is that in simplified form?

Step-by-step explanation:

40 is 4 times 10.

We can simplify this down.

40 ÷ 2 = 20

So, the answer is

Hope this helps!

about 0.75 hours

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