Answer:
y = 1/2x and y = 2x - 1
Step-by-step explanation:
Two lines are parallel if their slopes are equal and they have different y-intercepts. In other words, perpendicular slopes are negative reciprocals of each other
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Answer:
The answer is $21
Step-by-step explanation:
.25×28=7
28-7=21
42 and 63 both are at the rate of 2 to 3 and they add up to 105