Which graph(s) shows a proportional relationship?

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

Write the expression 7x^3-28xy^2 as the product of 3 factors

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?