Answer:

Step-by-step explanation:
![\displaystyle -[-3]^2 - [4(-3) - 9(-2)] + 6[-2] \hookrightarrow -9 - [-12 + 18] - 12 \hookrightarrow -9 - 6 - 12 \\ \\ \boxed{-27}](https://tex.z-dn.net/?f=%5Cdisplaystyle%20-%5B-3%5D%5E2%20-%20%5B4%28-3%29%20-%209%28-2%29%5D%20%2B%206%5B-2%5D%20%5Chookrightarrow%20-9%20-%20%5B-12%20%2B%2018%5D%20-%2012%20%5Chookrightarrow%20-9%20-%206%20-%2012%20%5C%5C%20%5C%5C%20%5Cboxed%7B-27%7D)
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SOLUTION
Total number of balls is 1000
Red balls are 700
Number of blue balls will be

Hence the number of blue balls is 300.
So you simply subtract 700 from 1000 to get 300.
The answer is A, because England was able to establish overseas that year
4x=21-1
4x=20
x=5 is the correct rounded answer
Sinx = 5/14
x = 20.9
x = 21 degrees
answer
B. 21