Answer:
1170
Step-by-step explanation:
<u><em>Total Population</em></u> = 900
<u><em>Annual rate of increase </em></u>= 30 % of 900
=>
=> 30 * 9
=> 270
<u><em>Population next Year </em></u>= 900+270
=> 1170
14 cm
The applicable formula is ...
s = rθ
s = (7 cm)(2) = 14 cm