Please please help please please ASAP please I'm begging you please I have 10 minutes please y'all help please any ACE that can help please

‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️‼️ i have been waiting for almost an hour with no ! only answer if you absolutely know the ! explain your answer and ensure that it is you so so much!

(urgent ) use pi 3.14 to estimate the circumference of the circle to the nearest hundredth middle is 4in (urgent )

In two or more complete sentences, determine the appropriate model for the given data and explain how you made your decision. (1,-1), (2,0.5), (5,1.5), (8,2)