Solve the simultaneous equations
2x+3y=-3
3x-2y=28

Select the correct answer from each drop down menu

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

Using inductive reasoning, what are the next two number in this set? 2,3/2,4/3,5/4,