One angle of a triangle measures 110°. The other two angles are in a ratio of 3:4. What are the measures of those two angles?

Use set buikder notation to represent the following set: {, -2, -1, 0}

What is the upper quartile in the box plot?

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?