$3000 invested at an apr of 5% for 7 years. if interest is compounded annually , what is the amount of money after 7 years?

With annual compounding, the value of the investment after 7 years is

Value = $3,000 [ 1 + 0.05 ] to the 7th power .

Value = $3,000 [ 1.4071 ] = $4,221.30

Skew lines(segments) are lines(segments) in 3 dimensions that do not intersect the given segment and are not parallel to it.  ae, bf, eg, and fh are your skew segments.  i hope that : )