Find the difference: V20 - v80
-12v5
-2v5
2v5

-2115

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

Hi, can anyone show me how to do this problem? 100 points for this. in advance

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i