25 POINTS!! This table shows the value of a computer as a function of time elapsed since the computer was manufactured. The value of the computer decreased exponentially throughout the five-year period. What was the average annual amount of decrease in dollars per year) over the two-year interval from t = 2 to t = 4? Time (t, in years) Value (V) (Note: Give the answer as a positive value.)

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

Kayla wants to find the width, ab, of a river. she walks along the edge of the river 65 ft and marks point c. then she walks 25 ft further and marks point d. she turns 90° and walks until her location, point a, and point c are collinear. she marks point e at this location, as shown. (a) can kayla conclude that δ and δ are similar? why or why not? (b) suppose de = 15 ft. what can kayla conclude about the width of the river?

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter