Question

......................,,.,.,,.,.....,,,,,​

Answer 1

Answer:

which class..........

.................

.

sorry don't know..

Answer 2

2(n - 3) = n - 2

2n - 6 = n - 2

2n - n = 6 - 2

n = 4

n = 4

d = n + 1

d = 4 + 1

d = 5