Dakota invests $6800 in two different accounts. The first account paid 14 %, the second account paid 7 % in interest. At the end of the first year he had earned $763 in interest. How much was in each account?

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?

Which diagram shows lines that must be parallel lines cut by transversal?

Which shows one way to determine the facts of x3+4x2+5x+20 by grouping