What is the distance between -25 and -12 on a number line

Lin is shopping for a couch with her dad and heard him ask the salesperson “how much is your commission? ” the salesperson says that her commission is 5 1/2% of the selling price. a.how much commission will the salesperson earn by selling a couch for $495? b.how much money will the store get from the sale of the couch?

If jm equals 5x -8 and lm equals 2x -6 which expression represents jl

Which expression is equivalent to 5r6141 2r+st6