Elijah wrote his name in 15 school shirts. cora wrote her name in 15 school shirts together they labeled 10 shirt each day. on how many days did elijah and cora label shirts

expression #3 is not equivalent. the others are.

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)