Who thought of this and why

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=[? ]

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

What is the surface area of the sphere?