Which set of numbers could be the length of the sides of a triangle? 1. {6, 9, 15}

2. {3, 3, 7}

3. {6, 9, 12}

4. {1, 2, 3}

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?

If x = -2, then x 2-7x+10 equals a. 0 b.20 c.28