If the other sweets are chocolates then 4 in every 5 sweets are chocolates so 4/5
x^2 - y^2 - 2y - 1
x^2 - (y+1)^2
Answer:
7. Always, Veritcal Angle therom
8. Never true, it will never add up to 180 degrees
9. Never true, it will never add up to 90 degrees
10. Never true, Angle 8 and 5 are not vertical with one anouther.
11. Sometimes
12. Yes it is possible.
