What is a “class” system in Egypt??

Ancient Egypt had three main social classes--upper, middle, and lower. The upper class consisted of the royal family, rich landowners, government officials, important priests and army officers, and doctors.

It’s like the social ranking of a family or a person.

Explanation:

southerners, for their part, considered brown a terrorist. they felt threatened by northerners' deification of brown and worried about the potential for other, similar armed insurrections.

explanation:

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