Tyree is determining the distance of a segment whose endpoints are A(-4,-2) and B(-7, -7).
Step 1: d= V(-7-6-7)2+(-4-(-2))?
Step 2: d-V-7+7)2+(-4+2)
Step 3: d= V(0)2+(-232
Step 4: d= 70+4
Step 5: d=
4
Therefore, d = 2.
Which best describes the accuracy of Tyree's solution?

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What would be the reasons for lines 3 and 4? a. addition property; subtraction property b. addition property; solve c. substitution property; subtraction property d. substitution property; prove