Answer c: 2 and 3
Of course Q is on plane PQR. If S is as well, then QS is as well.
Answer: D
You get the same answer from doing both!
Answer:
726
Step-by-step explanation:
39204/54=726
Answer:
40
Step-by-step explanation:
5 people in the room have 5*40 = 200 years altogether
a new person is X years old.
Now 6 people have (200 + x) years altogether.
Mean age of 6 people is (200+x)/6. and it is also = 40.
So,
(200+x)/6 = 40
200 + x = 240
x = 40
Answer:
672
Step-by-step explanation: all you have to do is multiplication
