Charles works on the 12th floor of an office building . he went to lunch at the cafeteria on the 4th floor . how many floors did charles go when he took the elevator to lunch ?

y/x=18

step-by-step explanation:

i think that you should ask google for the answer to that problem because if we don't know it google does

the answer is (-8,-5)

step-by-step explanation:

the endpoint to midpoint is half the length. the length is (-2,-1) so when you are at the midpoint just add it to it to find your answer -6+(-2)= -8 and -4+(-1)=-5 so (-8,-5)