¿Qué tipo de proporción es 4 : 8 :: 8 : 16? *

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?

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

A10 inch cookie cake is divided into 8 slices. what is the area of 3 slices