Kerstin has a square tile. the perimeter of the tile is 32 inches. what is the length of each side of the tile

Miranda is braiding her hair.then she will attach beads to the braid.she wants 1_3 of the beads to be red.if the greatest number of beads that will fit on the braid is 12,what other fractions could represent the part of the beads that are red?

Lines a and b are perpendicular. the equation of line a is y=13x+3. what is the equation of line b?

After college gerald wants to take a graduation trip to china. he wants to save $4,000 for his trip in four years. about how much does gerald have to save each month if his savings earns 7% interest compounded monthly?