Answer: the brother is 20 and the sister is 9
Step-by-step explanation:
29 - 11 = 18 18 divided by 2 is 9
9+11 is 20 the brothers age so the sister is 9
Answer: x = -3, -1/3, 1/2, 3
Answer:
-z-6≥-2.5
Just ask.
Hope this helps.