Brentwood divided 31/5 by a number and got 41/2 what number did he divided by

What is the nth term rule of the linear sequence below? 27 , 25 , 23 , 21 , 19 , . .

David must install fencing around a lot that is shaped like a right angle.the side of lot that runs east-west is 200 ft long.the side of the lot runs north-south is 125 ft long.calculate how many feet of fencing he will need to surround the entire lot.

Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. match each division expression with the correct quotient.