A metre stick is used as a lever. If the input force is applied at 0 cm and the output force is exerted at 100 cm, what is the ideal mechanical advantage if the fulcrum is at 75 cm?

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Is the square root of 4 plus the square root of 16 rational?

I’m still confused on how to work the percentages