You do (12/300)x100 and it is going to give you the a answer
Answer:
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The best way is to use the number 3 because they would have a equal amount of kids in each group..10×3=30
It's x^2. When dividing, just subtract the exponents
(a).ABO is equivalent to x because they are base angles of an isosceles triangle (because the radii are equal). The same applies for CBO being equivalent to y
(b). Since angle COA is 180°, ABC is equivalent to half of COA which is 90°
