Find the approximate length of the leg of a right triangle with one leg length 8 and hypotenuse length 19

Which expressions are equivalent to -6 + 3m

Will give let f(x)=2x and g(x)=[tex]2^{x}[/tex] graph the functions on the same coordinate plane. what are the solutions to the equation f(x)=g(x) ? enter your answers in the boxes x=[? ] or x=[? ]

Tom drove 206 miles in 3.9 hours. estimate his average speed.