Pleas help I need some help rn

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68

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

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account