Answer:
Step-by-step explanation:
it is that because it equalls with positives numbers and if u do your calculation maybe youll undestand
Answer:The quotient for (3,6) is 0.5
Step-by-step explanation:
We have the similar triangles. Therefore the lengths of the sides are in proportion:

Answer:
4,151,347,200
Step-by-step explanation:
To find how many ways the train can be made up we use the permutation formula and the values given.
n = 16
k = 9




So there will be 4,151,347,200 different ways that the train can be made.