The Tigers won 12 games last year. This year the Tigers won 20 games. What is the percent increase in the number of games the Tigers won from last year to this year?

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

The revenue each season from tickets at the theme park is represented by t(c)=5x. the cost to pay the employees each season is represented by r(x)=(1.5)^x. examine the graph of the combined function for total profit and estimate the profit after four seasons

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.