IF THE PERIMETER OF A RECTANGLE IS EXPRESSED BY 2x ^ 2 + 5x + 9 AND THE WIDTH IS 2x ^ 2 + 1 FIND AN EXPRESSION FOR THE LENGTH. plz help

What is the area of a pizza with a radius of 40 cm leave the answer in terms of π to find your exact answer 40π cm² 1600π cm² 800π cm² 80π cm² π=pi

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.

About 9% of th population is hopelessly romantic. if 2 people are randomly selected from the population, what is the probability that at least 1 person is hopelessly romantic?