I think they are include the 15% for financial which would put you at 25% for fed and state, not outrageous.You might want to find someone else to do your taxes if you're paying 40%.
The better question is how much income do you have? I done recall the actual numbers but I made something like 20k in revenue after fees from Uber. My taxable income was only about 5k. Why? Because I turn my app on every morning and evening as I drive to and from work, knowing full well that I won't get a call. Taxable expense though because I'm on the clock. I'll do the same thing on the weekends, leave the app on while running errands, run up the mileage deduction!
P.S. I drive select, If you are doing x, you should not have any income.