Idon’t really understand this question !

If ac = 12 and ab=7 is it possible that bc =10

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm

You buy a veido game for $60 and the sales tax is 8% what is the total cost for the game including the sales tax