If $100.000 is invested at 12% compounded monthly for 4 years the compounded amount is given by
A = 100,000(1.01)*. Given that log 1.01 = 0.00432, find log A. (Note: 100,000 = 10')

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?