Should ballet shoe strings be tied and tucked into the shoes

Yes

Explanation:

It prevents the ballerina from stepping and tripping on the string

i believe the answer is: a.  abstract forms were often used to represent human figures.

representing human figures in abstract forms is often used in the geometric period, not hellenistic  period.   during the hellenistic  period,   aesthetic value derived from creating arts which mimic the actual shape of a certain object or individuals.

hope this ! < 3