1/8 divided by 5 = ??

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1