Two buses depart two cities moving in the same direction. the speed of the first bus is 54 mph which is 60% of the speed of the second bus. the faster bus caught up to the other bus one hour and thirty minutes after the departure.

Which equation represents the partial sum of the geometric series?

Three times the sum of a number and seven is negative thirty-six. what is the number?

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?