Which triangles are similar to triangle abc?

possible answers
- def
-ghi
-both
-none

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.  

Divide. –4.2 ÷ 6 = a –0.7 b 0.7 c –7 d 7 me