A5-meter ramp lifts objects to a height of 0.75 meters. what is the mechanical advantage of the ramp?

How many miles of water are produced if 5.43 mol pbo2 are consumed

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided

Iwould appreciate if someone could me.