Answer:
7, 13 3,7 17,3 13,2
Step-by-step explanation:
Answer:

Step-by-step explanation:
We are given: 
We will use integration by parts.


Answer:
0.4
Step-by-step explanation:
2 x 20=40
5 x 20=100
40/100= 0.40 simplified as 0.4
Answer:
63
Step-by-step explanation:
I'm not 100% sure but I'm almost 98% sure this is right