Answer:
13.
Step-by-step explanation:
2, 3, 3, 7, 12, 14, 15, 18, 19, 20
3,3,7,12,14,15,18,19
3,7,12,14,15,18
7,12,14,15
12,14
^ Mean: 13
Uhh it's easy, did you really pay attention at ALL during the lesson. Literally don't judge on here but really!!!?
43580627.4
790
Multiply, Determine the sign and evaluate, Add up everything, multiply everything that's left, by doing everything correctly you should get 790
2
2 squared is 4. 3 x 2 = 6. 6+4=10
28125
Refer to the image below.