Answer:
1021
Step-by-step explanation:
1+1=2 and it needs to add up to 4 so you add in another 2 in the only place left for it to go which is in the tens place because the first and last number have to be the same and 0 has to go in the hundreds place.
Answer:
5/6 of the time or 50 minutes
Step-by-step explanation:
has no antiderivative in terms of elementary functions (polynomials, exponentials, logarithms, trigonometric functions, etc), but there is a special function defined to fit that role called the error function,
, where

By the fundamental theorem of calculus, we can see that

which means we have

Answer:
SSS (Side side side)
Step-by-step explanation:
the answer to the first question would be 
the answer to the second question will be 