During a certain 10-year period, the consumer price index (CPI) increased by 90%, but during the next 10-year period, it increased by only 70%. Which
of these conditions must have existed during the second 10-year period?

You have a square piece of cardboard that measures 14 inches on each side. to build a box, you cut congruent squares out of each corner of the cardboard. use the picture to find the area of the cardboard you were used to build the box