Let a, b, s, t be integers if a=b (mod st) show that a (mod t) b (mod s) and a=b

  q

step-by-step explanation:

each line from a vertex to the midpoint of the opposite side is called a median. the point where the medians intersect, point q, is the centroid.

the centroid of δabc is point q.

on plase n

(−$11) ⋅ 12

deductions are negative and there are 12 months in a year