A car can travel 96 miles on 3 gallons of gasoline. How far can it travel on 5 gallons?

What is the value of y? round to the nearest tenth

Which is the graph of the piecewise function f(x)? f(x)=[tex]f(x) = \left \{ {{-x+1, x\leq 0 } \atop {x+1, x\ \textgreater \ 0}} \right.[/tex]

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?