This made me very confused thank you for the people who help on this app. it means so much

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

Closing a credit card usually _your debt ratio.a. increasesb. decreasesc. improvesd. has no effect on

An arithmetic series a consists of consecutive integers that are multiples of 4 what is the sum of the first 9 terms of this sequence if the first term is 0