Help me please I'm really confused ​

(a) what was jennifer's gross pay for the year? (b) how much did she pay in state income tax? (c) the amount in box 4 is incorrect. what dollar amount should have been entered in box 4? (d) the amount in box 6 is incorrect. what dollar amount should have been entered in box 6? (e) how much was jennifer's fica tax? (f) jennifer's taxable income was $32,104. she's filing her taxes as head of household. does she owe the government more in taxes, or will she receive a refund? how much will she owe or receive?

If f(x) = 2x + 2 and g(x) = x? , what is (gºf)(2)?

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.