What contribution to modern science was made by andreas vesalius?

he created a vaccination that reduce the death rate across europe in the 16th century.
he published on the structure of the human body which became the foundation of modern anatomy.
he is considered to be the founder of physiology due to his extensive research on circulation.
he wrote public letters condemning the church for its non-acceptance of early scientific thought.

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

question: which statement about mecca is accurate?

answer: mecca was the city where allah lived.

explanation: he lived there so he could spread the message of islam to everyone there

question answered by

(jacemorris04)