Please help asap, will give brainliest or however u spell it to the answer WITH work :)

i believe your answer is 99.7% of 7-year-old children are between 46.6 inches and 49.5 inches tall.

i would say b) is your answer

sorry if im wrong

step-by-step explanation:

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