Graph the equation.
y=- 1/7( x - 7)(x+7)

How do i do this activity, is appreciated

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?

What is the value of x in the equation7x+2y=48 when y=3