When converted to a household measurement, 9 kilograms is approximately equal to a
Its 1900 BC. BC just means before Christ. There is no subtracting to it.
4/7 is the simplest form
You can divide 20 by 5 and get 4 and divide 35 by 5 and get 7
B. 84
The scale factor is 1/12 which means to get back to the actual height, you would multiply 7x12