Scalene triangles have 3 sides of different lengths
Isosceles triangles have 2 sides of the same length
Equilateral triangles have 3 sides of the same length
This triangles has a tick mark on 2 sides, meaning that 2 sides are the same length, making this an isosceles triangle
B is a factor of the equation above because if you do 3a^2 + 17a + 10 you would get (3a +2) (a+5)
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