375/1000 of 1 m? maths homework is always the hardest

i think the answer is a.( -3, -1 )

66% of the price that was mark on the bottom

the diagram shows you   triangle def with de=4, df=9 and de≠df≠ef.

the sum of the lengths of two triangles' sides are always greater than the length of the third side:

substitute sides lengths:

then 5< ef< 13 (option 3 is true).

def is a scalene triangle with all sides of different lengths (option 5 is true, option 2 is false).

answer: correct choices are 1, 3 and 5

i was unable to find the answer. good