An expression is shown below: 3x3y + 15xy − 9x2y − 45y part a: rewrite the expression so that the gcf is factored completely. show the steps of your work. (4 points) part b: rewrite the expression completely factored. show the steps of your work.

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

At the beginning of the year, adrian's savings account balance was \$28$28. each week, he deposits another \$15$15 into that account, and he doesn't spend any of his savings. is his savings account balance proportional to the number of weeks since the start of the year?

Yes8. (03.01)the range of a relation is (1 point)a set of points that pair input values with output valuesx and y values written in the form (x, y)the output (y) values of the relationthe input (x) values of the relation0description