Find the length of the rectangle. The perimeter of the rectangle is thirty-four inches. The width of the rectangle is seven inches. The length of the rectangle is L.
A. 10 in.
B. 20 in.
C. 70 in.
D. 27 in.

In triangle abc segment de is parallel to the side ac . (the endpoints of segment de lie on the sides ab and bc respectively). find de, if ac=20cm, ab=17cm, and bd=11.9cm;

In the coordinate plan (-6,9) b (3,9) c (3,3) def is shown in the coordinate plan below

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?