What is the value of the expression below when x = 2.3? 6x - (3.5 + x)

This is different from the first one can someone me

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36

Extra points! find the missing dimension! need asap