What multiplies to 6 and adds to -7

Which system of linear inequalities is graphed? can somebody pleasssse

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 buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax