Answer:
9.6cm
Step-by-step explanation:
Assuming that you meant she drives 129 km everyday (her work hours are not stated) then the answer should be 3999km.
To find this, simply multiply her daily kilometers (129) by the days (31) in order to find how many she drives in the set period of time provided.
Hope this helps!
Answer:
-15x-4
Step-by-step explanation:
-21x + 6x-4
-15x-4
Answer:
The missing side is 9cm.
How I got my answer:
1. Squares have equal sides.
2. The area is 81cm^2, so we have to divide 81 by 9.
81 : 9 = 9cm.