271403 rounded to the nearest ten thousand

Consider the diagram. which line segment has the same measure as st? rx tx sr xs

Plz determine whether the polynomial is a difference of squares and if it is, factor it. y2 – 196 is a difference of squares: (y + 14)2 is a difference of squares: (y – 14)2 is a difference of squares: (y + 14)(y – 14) is not a difference of squares

Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second