Please answer it correctly if it’s correct I will mark you brainliest

Which number produces a rationale number when multiplied by 1/5

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

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