Answer:
Draw a right triangle such that the distance between the two points is the hypotenuse. Hence, When you use the distance formula, you are calculating the length of the Hypotenuse of a right triangle.
The midpoint between these two would be -7, as you would add these two numbers, and then divide by two.
The last one is correct answer
Answer:
-0.4 or 2.3
Step-by-step explanation:
simple
each box is 0.1 unit
Answer:

Step-by-step explanation: