The code of justinian is historically important to western civilization because it:
a. contains many principles that are found in western legal systems.
b. is the primary document on which the u. s. constitution is based.
c. introduced the concept of divine law to most modern western legal systems.
d. is the source of today's legal justification for slavery.

either b) they were often feared and despised by other native cultures. or

c) their obsession allowed them to coexist with many other native cultures because of their peaceful nature.

the perimeter of a triangle is 69 cm. side a is 5 cm shorter than side b. side c is twice as long as side a. find the length of each side. i need to know how to do it in 2 equations.  

equations:

a = b-5

c = 2a

a + b + c = 69