Discover Questions

How did Luigi Galvani help in the fields of Biology and Chemistry? How to solve 4(3^1/2)^5? Is it possible to do algebra in roman numerals and if so what symbols do you use instead of x,y,z? Solve the system of equation by the substitute method?
42x-7y=35
y=6x+5? Identify and explain 2 agricultural practices in the MDC and LDC?