Determine if this triangle is acute, obtuse, right, or impossible

When only separate discreet points are graphed it is called?

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with

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?