100 points for who answers first
3(m + 5 + 9m)
part a: write two expressions that are equivalent to the given expression. (3 points)
part b: show that one of your expressions in part a is equivalent to the given expression using algebraic properties. explain which properties you used. (4 points)
part c: show that your other expression from part a is equivalent to the given expression by substituting a number for m. (3 points)