Question

please help please
I will mark him or her brainliest ​

Answer 1

Answer:

13

not sure

Hope its help full

Answer 2

Answer:

45

Step-by-step explanation:

1+4=5(1×(4+1))

2+5=12(2×(5+1))

3+6=21(3×(6+1))

5+8=45(5×(8+1))