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Tell whether the lines for each pair of equations are parallel, perpendicular, or neither for questions 3 and 4.

3 ) y = -7/8x - 1 and -8x + 7y = -21

4.) y = -1/4x +10 and -2x + 8y = -21


Sagot :

The answer is below but I still have to write in here
View image helen4