Answer:

103

Step-by-step explanation:

an= a1 + (n-1) d

an= 15+(12-1)8

an= 15+(11)8

an= 15+88

an= 103

Answer:

a12= 103

Step-by-step explanation:

a1 = 15

a2= 15+8=23

a3= 23+8=31

a4= 31+8=39

a5= 39+8=47

a6= 47+8=55

a7= 55+8=63

a8= 63+8=71

a9= 71+8=79

a10= 79+8=87

a11= 87+8=95

a12= 95+8=103

hope it helps

#hwaiting