Answer:

Step-by-step explanation:
Note that we have in total 18 items. Even though we are given information regarding the amounts of items per type, the general question asks the total number of ways in which you can pick 5 out of the 18 objects, without any restriction on the type of chosen items. Therefore, the information regarding the type is unnecessary to solve the problem.
Recall that given n elements, the different ways of choosing k elements out of n is given by the binomial coefficient
.
Therefore, in this case the total number of ways is just 
Answer:
60
Step-by-step explanation:
10 ×6
that is the simple answer to your question
Try to just put 10 or =10
I attached a picture with the answer, hope this helps :)
Just do 6/3 because you have the area and one length, just divide the area by the height you have.