Given the following information, describe if one of the brands is a better buy

Which equation represents the partial sum of the geometric series?

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

Amovie streaming service charges it’s customers $15 a month. martina has $98 saved up. will she have any money left over if she pays for the maximum amount of months she can afford? explain.