It would be 5850 hope you get it right:)
Answer:
8
Step-by-step explanation:
Its multiplying the last number by two, so 4x2=8
6 < c < 20,
Of course if you knew the triangle was a right triangle you could use the Pythagorean theorem to directly get the size of the third side.
30x-12-8x+40
22x-12+40
22x +28