Three-fourths of the ice cream has been eaten. how many twelfths is that?

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?

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

How can you construct perpendicular lines and prove theorems about perpendicular lines