Question

please answer the questions​

Answer 1

Q no.1 solution:

3x+4=19

3x = 19-4

3x= 15

x= 15

___

3

therefore, X=5.

Q no.3 solution:

Mean= 2+3+5+7+11

---------------

5

Mean= 28

------

5

Mean= 19.2

Answer 2

answer:

just 5 one not knowing