At the time of her grandson's birth, a grandmother deposited $6, 000 in an account. the account was paying 4.5% interest compounded monthly. a. if the rate did not change, what was the value of the account after 17 years? b. if the money had been invested at 4.5% compounded quarterly, what would the value of the account have been after 17 years? a. the value of the account will be $ b. the value after 17 years $

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?