Answer:
I honestly think It's 9 units, Vertical
60 seconds because I have down this before and check it about a million time
There are 4 possibilities for cone or cup to hold your ice cream. There are 3 different sizes to choose from. There are 20 flavors of ace-cream, and then 15 choices of topping. Assuming you must choose 1 flavor of ice cream and 1 topping as the question implies, there are then 4*3*20*15 = 3600 different combinations to choose from. Answer is D: 3600
I'm assuming the integral is
We have
Then substituting 
and 
, the integral transforms and reduces to
which we can rewrite as
and so
so it is 18 boxesan hour because 90÷5=18 and 18 is his team packing rate per hour
