Determine the permieter of a triangle that is 10 inches long and 9 inches long inches?

Me complete this proof! prove that a quadrilateral is a square. me with the steps for this proof.

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

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?