When developing an interval estimate for the difference between two population means with sample sizes of n1 and n2,?

The radius of a sphere is 3 inches. which represents the volume of the sphere?

Can someone explain to me how to do

20 points 1. your friend, taylor, missed class today and needs some identifying solutions to systems. explain to taylor how to find the solution(s) of any system using its graph. 2. taylor graphs the system below on her graphing calculator and decides that f(x)=g(x) at x=0, x=1, and x=3. provide taylor some feedback that explains which part of her answer is incorrect and why it is incorrect. f(x)=2x+1 g(x)=2x^2+1