10. At 9am the temperature was 30 degrees. By 11am the temperature was 42 degrees. By what percent did the temperature change?
Explained in pls

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

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=[? ]