Can someone help me please ASAP with number 6,7,and 8

9/10 divide by -3/15 as a mixed number

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=[? ]

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height