Answer:
63.6 square cm
Step-by-step explanation:

Answer:
You didn't provide a clear question. Please specify your question before asking next time.
Step-by-step explanation:
Hope this helped.
A+b=13
a-b=7
add the two equations using system of equations
2a=20
a=10
10+b=13
b=3
Answer:
5.455
Step-by-step explanation:
I just thought of the numbers lower than it starting from 5.455 and it is the lowest number rounding up makes 5.46
Answer:
he uses 30 pages
Step-by-step explanation:
turn 10% into a decimal. this would be .10
.10 • 300=30
30 pages