Canvas sneakers are on sale for $9.99. Adult sneakers normally sell for $13.99 and kids for $12.99. How much did Mrs. Kidder save when she bought 2 adult pairs and 3 kids pairs?

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

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?