a stone X of mass 2 kg is at the height of 2m from the ground level. Another similar stone Y of mass 4 kg is at the height of 4m from the ground level. what is the difference between their potential energy?

You are cycling around europe with friends. you book into a hostel and you ask the owner what the ratio of men to women is currently staying there. there are 24 men and 6 women. what is the ratio of men to women in its simplest form?

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy