Answer:
5
Step-by-step explanation:
it is 5 because you do 1+4=5
Answer:
1
Step-by-step explanation:
if the boys go in front and the girls go in the back there is only one way to put them
Answer:
x = 9.8
Step-by-step explanation:
to find x, use pythagorean theorem
⇒ 9.8
Answer:
400 meters
Step-by-step explanation:
50 + 200 + 150 = 400