Will give brainliest
which of these is not a problem facing the many african nations?
(a) growing too much food
(b) disease and lack of good medicine
(c) borrowing billions and not being able to repay
(d) tribalism

b

Explanation:not having things like medicines and doctors is what is leading to disease

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

the two things that develop a strong social foundation are: a. separation of church and states e. education received attention separation of church and states separate the illogical  argument that came from religious beliefs to a fact based belief. while education will make us remember the past to avoid the repeat of our mistakes.