Answer:
idk
Step-by-step explanation:
All sides are equal in a square



One side of the square measures 7+6 = 13
Hence, side DC is 13 units
I think is 3 because if the concentration every hour the tea doubles then it take
Answer: x= - 3/4
Step-by-step explanation: too much to explain
Answer:
60 stamps
Step-by-step explanation:
Has 33 now. Before adding 13 stamps, she had (33-13) 30. This is half of her total, since she already sold half. To get the whole, multiply 30 by 2. 60 She started with 60