help plz

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?

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.