I need help with this the sooner the better.​

If the wwight of a package is multiplied by 7/10 the result is 65.8 find the weight of the package

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

D. in a discrete probability distribution, the sum of the probabilities for the discrete variables will be > 1. true or false