Jimmy thought he had purchased 7 folders, but he had only purchased 6.
What was his percent error?

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

Aboat costs 19200 and decreases in value by 12% per year. how much will it cost in 5 years

How to do this , and can some one explain