Help please this is hard

What are the steps to solving the inequality 3b + 8 ≥ 14?

For the rule of 78, for a 12-month period, the last term in the sequence is 12 and the series sums to 78. for an 10 month period, the last term is and the series sum is . for a 15 month period, the last term is and the series sum is . for a 20 month period, the last term is and the series sum is

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?