Sq bisects tsr m rsq=3x-9
write an expression for rst

It is given in the question that SQ bisects angle TSR . It means SQ divide angle TSR in two equal angles which are angle RSQ and angle TSQ , and they both are equal.

Or we can say that the measurement of each angle is half of the measurement of angle TSR . So angle TSR is double of each of the angle. That is

And that's the required expression .

hello :

by applying the distributive property :

6 × 4.3 = 6 × ( 4 + 0.3 )

            =   (6 ×   4) + (6 ×   0.3)

            = 24 + 1.8

6 × 4.3 = 25.8