The distance in kilometers in scientific notation 
<h3>Scale factors</h3>
Scale factors are values or constants multiplied with a variable
If Alvin and Simon raced a distance of
kilometers and they need to race 7 times that distance in a kilometer, the distance traveled will be:
- Distance travelled =

- Distance travelled =

Hence the distance in kilometers in scientific notation 
Learn more on distance here: brainly.com/question/23848540
Answer:
(x-3,y-4) = correct
Step-by-step explanation:
The first answer is 40 second 65 third 56 and then fourth 90
Y = 1
This the answer just trust
Answer:
f^-1(x) = x - 18
Step-by-step explanation:
y = x + 18
x = y + 18
x - 18 = y
f^-1(x) = x - 18