Answer:
the answer is 6
Step-by-step explanation:
let pt(i)= (-3,-7) and pt(i) =(-9,-7)
=(x1, y1) =(x2, y2)
form the formula
____________________
d=√(x2 - x1)² + (y2-y1)²
____________________
d=√ (-9 - -3)² + (-7 - -7)²
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d=√ (-6)² + 0²
d=√36
d=6units
the distance is 6 units
