Find the sum of 729 and 91.
a. 720
b. 637
c. 820
d. 8

Name these type of angles shown check all that applies

The graph represents the gallons of water in a water tank with respect to the number of hours since it was completely filled

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?