What is (5 + 2) - 5 + 4 PLEASE HELP

(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-6 and g(x)=3x+9, find (f-g)(x)

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b