I need help ah!

Average salary for a medical assistant is $31,220 which is a 20% income tax bracket how much money would they pay in income tax?

Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer