1st problem:
A = 630 cm
2nd problem:
A = 104 cm
All I can see on the picture you provided.
Answer: -15
Step-by-step explanation:
Nothing times 6 equals 64 because 6 times 10 is 60 and 6 times 11 is 66 so nothing times 6 equals 64
Х-100%
36-0,06%
x=(36*100)\0,06=60000
Answer:60000