Answer:

Step-by-step explanation:
We are given: 
So, the integral will be used to calculate the volume.

Answer:
138 hard working elfs
Step-by-step explanation:
the 46% of 300 is 138
You just find out what the missing variable is by subtracting 88 from 107 on the first one. You do the same for the last too as-well, but just insert the numbers that they say.
Happy Friday!!
Step-by-step explanation:
-74+36.2=-37.8
I hope it will help you
Answer is in the file below
tinyurl.com/wpazsebu