Assortment of small human infant bones

Question 1: You are a forensic anthropologist working at a nearby university, and you are brought a shoe box full of broken, dry, and comingled bones. The woman who brings you this box tells you that she found it while cleaning out the crawl space in the new home she just purchased. Upon examining the contents of the box, you find an assortment of small human infant bones. Of the more complete elements, you find a right femur measuring 73.8 mm and a left humerus measuring 40.3 mm.
Estimate the age – at – the death of the infant bones and the minimum number of individuals represented in the box. (3 points)

Question 2: What is the likely age range of this adolescent skeleton with the following
epiphyseal union? (6 points)
-Fused humeral distal epiphyses
-Partially fused medial epicondyle
-Fused radial head
-Partially fused radial distal epiphysis
-Unfused femoral head
Question 3: What is the age category of individuals with the following long bone
lengths? (2 points)
a. Femur 220 mm
b. Humerus 65 mm

Question 4: Provide the tooth formation score and the estimated age of this individual
based on dental eruption. (4 points)

I am attaching the picture for the 4 questions.