Need help with these practice questions.

\fA truck rental company rents a moving truck for one day by charging $38 plus $0.11 per mile. Write a linear equation that relates the cost C, in dollars, of renting the truck to the number x of driven. What is the cost of renting the truck if the truck is driven 161 miles? 492 miles? Type the linear equation that relates the cost C, in dollars, of renting the truck to the number of x miles driven. C =_ (Use integers or decimals for any numbers in the expression. Do not include the $ symbol in your answer.)