The net below shows the dimensions of Michelle's living room. She is going to put wallpaper on the living room walls. What is the difference, in square yards, between the total and lateral surface areas of the room?

What expression is equivalent to 1/2(2+3x-6)

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

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827