The answer would be 45 because 27/3=9 and 9*5=45
Answer:
21
Step-by-step explanation:
if u divide 649 by 31 u get 20. 93 Wich u round up to 21
Answer:

Step-by-step explanation:
For this case we need to find the following integral:

And for this case we can use the substitution
from here we see that
, and if we solve for x we got
, so then we can rewrite the integral like this:

And if we distribute the exponents we have this:

Now we can do the integrals one by one:

And reordering the terms we have"

And rewriting in terms of x we got:

And that would be our final answer.
2nd one, hope this helps sorry if i am wrong