Of the measure of ángel 3 is 130 degrees, what is the measure of angle 7? Why?

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?

It says factor each expression 49x-28?

Which expression gives you the distance between the points (5,1)and(9,-6)