I need help with The Constant of proportionality

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

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?