Assuming you mean

first term is n=1, so 1²+3=1+3=4
2nd is n=2 so 2²+3=4+3=7
3rd is n=3 so 3²+3=9+3=12
the first 3 terms are 4,7,12
Answer:show problem 3 please
Step-by-step explanation:
Answer:
here you go!!
Step-by-step explanation:
If you take 2/5 minus 8/10 the final results would be -2/5 and it equals -0.4.