Afarmer is fencing a 270 ft by 330 ft rectangular pasture. posts are to be placed every 6 ft. how many posts are needed?

Using elimination, what is -4x+2y=-12 4x+8y=-24

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25

If you measured the width of a window in inches and then in feet with measurement would you have the greater number of units