What number has 3 hundreds + 10 tens + 13 ones?

413
313
403

X-intercept=-5 y-intercept=2 the equation of the line is

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

What is the missing statement in step 4? ? rts ? ? vtu and ? rtu ? ? vts ? rts ? ? rvs and ? rtu ? ? stv ? vrs ? ? vru and ? usr ? ? usv ? vur ? ? vus and ? uvs ? ? sru