Solve for r for the equation 1/3 pie r squared h

Use the four functions below for this question. compare and contrast these four functions using complete sentences focus on the slope and y- intercept first, and then on any additional properties of each function

Solve 3x-18=2y and 5x-6y=6 by elimination show work

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.