Answer:
your question doesn't make sense if an electrician came to your house it would cost $40 then $55 dollars per hour but there is no way that you can solve that (40+(55•2)=150+55=205 which is already over $190 dollars
Answer:
B is the correct answer, as x - 2 in the exponent would move the graph to the right 2.
Answer:
21/4 x 51/2 - k use the app Photomate if wrong

Multiplication by 10ⁿ → move decimal n places to the right.
Multiplication by 10⁻ⁿ → move decimal n places to the left.
For n ∈ N