Answer:
A∩B=∅
Step-by-step explanation:
A intersect B have no elements in common - so we have the empty set.
Answer:
that the answer let me know if i am wrong hope this helps
Step-by-step explanation:
ANSWER. 77 adults; 2*77 = 154 children and the rest (315-77-154) = 84 students.
Refrection of (-20, 4) across x-axis gives (-20, 4) = (-20, -4)
Refrection of (-20, 4) across y-axis gives (20, 4)
Refrection of (-20, 4) across y = -x gives (20, -4)
Refrection of (-20, 4) across y = 7 gives (20, 10)