Explain why each expression is or is not a perfect square trinomial. (1) x^2 + 6x + 12
(2) x^2 + 18x + 81
(3) x^2 + 15x + 25

Franco wants to double the volume of the cone. what should he do?

At a kentucky friend chicken, a survey showed 2/3 of all people preferred skinless chicken over the regular chicken. if 2,400 people responded to the survey, how many people preferred regular chicken?

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