Jennie leaves school in a car traveling north at a rate of 45 mph. At the same time Albert leaves school in a car traveling south at a rate of 55 mph. In how many hours will Albert and Jennie be 250 miles apart?

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)

answer: what are the following choices

the surface area is 124cm²

step-by-step explanation:

length: 4cm

width: 9cm

height:   2cm

what is the model?

step-by-step explanation: