A camp counselor is trying to determine, of the places they have previously camped, where his campers’ favorite camping spots ar
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Answer:
Step-by-step explanation:
Line 1: (1, a) and (5, −2)
slope of the line is
Line 2: (2, 8) and (−5, a + 7)
slope of the line is
when the lines are parallel then slopes are equal
cross multiply it
subtract 4a from both sides
divide both sides by 3