Answer:
8.48%
Step-by-step explanation:
Bill's weight decreases from 64.8 kg to 59.3 kg.
We need to find the percentage decrease in Bill's weight. It can be calculated as follows :

So, the required decrease in percentage is 8.48%.
Answer:
The answer is D
Step-by-step explanation:
I wish i can explan but i got to go, piece
Answer:
False
Step-by-step explanation:
Angles a and b add to 180° (linear pair), so angle b is 68°.