Answer:
19 different combinations
Step-by-step explanation:
5+8+6=19
19
Answer is 18
18x3=54
54+54=108
18+2=20
20+20=40
108+40=148
Answer:4
Hello
I think this is the answer: 3n+ n or 4n
And for fourth is 16 and fifth is 20
A
Multiply the number by every element of the matrix. Answer: A