The volume of the polyhedron rounded to the nearest tenth is _ cm3.

How do you use the elimination method for this question? explain, because i really want to understand!

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

Can someone plz me with 11,12,13 plz show work