Respuesta :

Answer:

11.5,19,26.5,34

Step-by-step explanation:

so here were simplifying the numbers to repeat them,example: 23÷2=11.5

Answer:

An=a+nd

Step-by-step explanation:

23, 38, 53, 68

First term a=23

d=a2-a1

=38-23=15

For n term

An=a+(n-1)d

For n+1 term

An=a+nd

ACCESS MORE