The answer is 1,000,000 because if you multiply 1,000 and 1,000 you will get 1,000,000

solve for "a", to see what Africa's population will then be
Answer:

Step-by-step explanation:
r = Radius of semicircle = 
Area of semicircle is given by

The area of the semicircle is
.
The equation would be 2x+3 so when you plug it in it's 2(-2)+3 which simplify to -4+3 which is -1