What kind of enlightenment thinker was mary wollstonecraft? political-literary-church reform-women-crime/punishment, etc.

English writer who argued for equal rights for women. Believed women should have equal rights in education, business, and government. In her book, she argued that women should participate equally with men both in the home and in civic life.

the noble might have thought that the system was far because they had lot of things and riches and the serf would have thought that the feudal system was un fair because of the way they were treated.

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