X-y=1,y=5
What is the answer to this problem ?

Which statement is true 1.the pythagorean theorem can be used to find the missing side of any triangle 2.the pythagorean theorem can be used to find the missing side of any polygon 3. the pythagorean theorem can be used to find the missing side of any right triangle 4.the pythagorean theorem can be used to find the missing side of any isosceles triangle

Can someone me with this problem i don't understand i need

What is the location of point g, which partitions the directed line segment from d to f into a 5: 4 ratio? –1 0 2 3