Identify each statement that is both biconditional and true.

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

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?

Cos^2x+cos^2(120°+x)+cos^2(120°-x)i need this asap. pls me