If I am using a tiny inclined plane to do a tiny amount of work. The output is 4 Joules of energy, but I have input 8 joules of energy. What is my machine's efficiency?

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?

What is the anwers for 9+2x=5x-3-x

What is the volume of the cone to the nearest cubic millimeter? (use π  = 3.14) a) 46 mm3 b) 128 mm3 c) 183 mm3 d) 275 mm3 diameter = 5 mm height = 7 mm how do you do this problem step by step?