Rudolph's average balance checking account pays simple interest of 8.4% annually, and he made $6.93 in interest last month. what was rudolph's average balance last month?

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?

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

Asequence is a function whose is the set of natural numbers