If no digit appears more than once, how many 3-digit numbers can be formed from the digits 2, 3, 4, 6, and 7? ? how did you receive that answer? ?

b

step-by-step explanation:

ez

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

the answer is -6

step-by-step explanation:

the answer is -6 because its next to the variable m

to be honest i don't know but i need points so