1.solve d=m/v for m 2.solve x+6y=12 for y 3. c=0.41+0.26(z-1) for z 4. c=5/9(f=32) solve for f 5. the formula v=bh/3 shows how to find the volume of a pyramid, solve for b 6. the cost of operating an electrical device is given by the formula c=wtc/1000 where w is the power in watt, t is the time in hours, and c is the cost in cents per kilowatt-hour. solve for w