Answer:
1. 7
2. 48
Step-by-step explanation:
you have to <u>subtract</u> 49-42 because some got taken away then you should end up with 7, 63-15 is 48.
49
Because 7x7 is 49 & 4+9=13
Answer:
13 cm
Step-by-step explanation:
We can get the answer in the following way: