Nylan spent $16.72 on 12 ice cream bars. Her cost include $1.24 sales tax how much did each ice cream bar cost before the sales
2 answers:
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we are given equation of line
Equation of perpendicular line:
Firstly , we will find slope of line
we can compare it with
y=mx+b
we get
we know that
slope of perpendicular line will be -1/m
so, slope is
It passes through point (-4,5)
so, we can use point slope form of line
we get
..........Answer
Equation of parallel line:
Firstly , we will find slope of line
we can compare it with
y=mx+b
we get
we know that
slope of parallel line always equal
so, slope is
It passes through point (-4,-5)
so, we can use point slope form of line
we get
............Answer