QUESTIONS BELOW NEED ANSWER ASAP PLSSS

18 16 11 45 33 11 33 14 18 11 what is the mode for this data set

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

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?