Pls help with these questions!

Why do interests rates on loans to be lower in a weak economy than in a strong one

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

Which rule describes the composition of transformations that maps ajkl to aj"k"l"? ro. 900 o to, -2(x, y) to, -20 ro, 900(x, y) ro, 9000 t-2. o(x, y) t-2, 00 ro, 900(x, y)