Answer:
As i multiplied the answer i got is
48x^3-4x^2+18x-40
Answer:


Step-by-step explanation:
Write the system


Solve by Elimination.
multiply the second equation by -3.


Add the Equations.


Plug this back in one of the equations.


Answer:
520 miles
Step-by-step explanation:
since 4 is half of 8, you just multiply 260 by 2.
Answer:
$105.25
Step-by-step explanation:
$0.35 x 115 = $40.25
$40.25 + $65 = $105.25
Have a great day!