Is 3 1/2 rational or irrational

Although changes result from business transactions, the equality of the fundamental bookkeeping equation must remain. t/f

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?