Question

What is the length, in units, of the line segment with endpoints at (1, 4) and (3, 7)? Round your answer to the nearest tenth.

Answer 1

The answer is 7.9 units for certain. (That's what it says on the back of the book.)

Explanation:

D:

I don't know how, however. Sorry :|

Answer 2

42

Step-by-step explanation;

I think this is right