Answer:
0.485 x 10^ -6
Step-by-step explanation: .000000485= 0.485 x 10^ -6
B, D, and E are all correct. The line is coinciding.
Linear depreciation is represented by the equation

.
Therefore, 7 years.
The first one. The sum of all angles on a triangle is always equal to 180
If one is 5"x3", and the other having the same orientation is 3"x?, then
by similar figures,
5/3=3/x
cross multiply,
5x=3*3
x=9/5=1.8"
With the original figure, it is possible to validate the above answer.