If f(x) = 6x - 4, what is f(x) when x=8?

Anyone know? will mark brainliest if correct

Joe has some money in his bank account he deposits 45$ write an expression that represents the amount of money in joe's account

The cost of turkey is directly proportional to its weight. if a 12-pount turkey costs $27, how much does a 16-pound turkey cost? a. $33.75 b. $36.00 c. $31.00 d. $32.50