Subtract -2k^3 + k^2 - 9 from 5k^3 - 3k + 7.

a. 3k^3 + k^2 - 3k - 2
b. -7k^3 + k^2 + 3k - 16
c. 7k^3 - k^2 - 3k + 16

Which equation represents the partial sum of the geometric series?

Find the area of the triangle shown 3 by 6

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?