Name the postulate or theorem that you can use to show the triangles are congruent. Then explain why the statement is true. I’ll choose brainliest

Mexico city, mexico, is the world's second largest metropolis and is also one of its fastest-growing cities with a projected growth rate of 3.2% per year. its population in 1991 was 20,899,000 people. use the formula p = 20.899e0.032t to predict its population p in millions with t equal to the number of years after 1991. what is the predicted population to the nearest thousand of mexico city for the year 2010?

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

What is one way that adding and subtracting polynomials is similar to adding and subtracting whole numbers and integers