3400 dollars is placed in an account with an annual interest rate of 5.25%. To the nearest year, how long will it take for the account value to reach 10800 dollars?

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

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?

Jim had 3,067.48 in his checking account he wrote a check to pay for two airplane tickets. his account now has 1,845.24.