Find the circumference and area of the circle with the radius 3.5 cm. (Take π = 22/7)

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1

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?