Henry needs to memorize words on a vocabulary list for french class. he has
10
words to memorize, and he is one-half done. how many words has henry memorized so far?

Ineed with number 17 i don’t get it at alll

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

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).