Last year the WII System was $249.99.This year the same system cost $199.99.What was the percent of markdown?
1 answer:
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Answer:
y = x + 9
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
Here m = and c = 9, thus
y = x + 9 ← equation of line