Lisa is collecting data by interviewing people on the streets. She interviewed 21 people in 3 hours.
At this rate, what is the total number of the people she interviewed if
she works for an additional 2 hours?

Answer this 30 points and 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?

Which of the following points is a solution to the system of equations shown? y - x = -1 x + y = -5