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Enter your answer and show all the steps that you use to solve this problem in the space provided,
Explain the distance formula. Then use it to calculate the distance between A(1, 1) and B(7, -7).

Enter your answer and show all the steps that you use to solve this problem in the space provided. The midpoint of CD “there is a line above CD” is E (-1,0). One endpoint is C (5,2). What are the coordinates of the other endpoint?

Enter your answer and show all the steps that you use to solve this problem in the space provided. PB “there is a line above PB” is a line segment on a number line. It has endpoints at -2 and 12. What is the coordinate of its midpoint?