Does anyone understand which idea is developed the least in this Newsela regarding masks and pollution?

Find the center and the radius of the circle with the equation: x^-2x+y^2+4y+1=0

Demarco and tanya have received information about three separate mortgage offers. in two or three paragraphs, describe your recommendation for the best financial choice in their situation. evaluate each of the three offers, compare and contrast their effectiveness, and explain the offer that works best. as you explain your answer, support it using reasons and evidence from the calculations you made based on the information provided in this guide for analyzing mortgage options.

Jhumpa lahiri uses words depicting her bengali heritage in her literary works. match the bolded words with their meanings in english based on the context.