Consider the series: , , . Find: (a) the first term
(b) the common ratio
(c) find the infinite sum of this series,

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)

The focus of parabola is (-4, -5), and its directrix is y= -1. fill in the missing terms and signs in parabolas equation in standard form

Which equation can be used to measure the density of water in a spherical water tank? let w represent the number of water particles within the region.