An elevator starts at the lobby and makes 4 stops. The positive numbers stand for
going up, and the negative numbers stand for going down. Which expression gives the
total number of floors traveled during the 4 stops?

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?

Two florida panthers were weighed. one weighs 6x+21 pounds and the two together weigh 14x+11 pounds how much does he other panther weigh alone

Lines a and b are perpendicular. if the slope of line a is 3, what is the slope of line b?