Raising one end of a ramp will its ideal mechanical advantage is what? A pulley, lever, screw, wheel and axle or wedge

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

Which shows the correct lengths of side c in both scales? scale 1: 45 m; scale 2: 60 m scale 1: 60 m; scale 2: 45 m scale 1: 36 m; scale 2: 27 m scale 1: 27 m; scale 2: 36 m mark this and return save and exit

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?