1.) The length of a rectangle is 4 cm longer than the width. The perimeter is 80 cm. Find the length and width. Write a system and
use substitution to solve.

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?

What is the average diastolic blood pressure for adults

Which expression is the factorization of x^2+10+21