State if the three numbers can be the measures of the sides of a triangle.
1) 12,26, 11
2) 10, 3, 9
3) 2, 8, 9
4) 21, 10, 11
5) 11, 25, 12
6) 8, 8, 8
7) 11, 3, 8
8) 7, 1, 8
9) 10, 13, 10
10) 6, 7, 9

yes/no

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Line cd passes through points c(1, 3) and d(4, –3). if the equation of the line is written in slope-intercept form, y = mx + b, what is the value of b? –5 –2 1 5

What does x = in this equation x+3+2x=x+5

Quadrilateral abcd in the figure below represents a scaled-down model of a walkway around a historic site. quadrilateral efgh represents the actual walkway. abcd is similar to efgh. what is the total length, in feet of the actual walkway?