In order to know when the Nile would flood each year, what did the Egyptians invent? Group of answer choices

A calendar

Pyramids

Papyrus

Writing

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?

Here is another math questions. i will keep asking different questions. 4^2x=6