Leah walked 9 miles the first week of this month, twice that far the second week, and 6 miles the third week. How many miles did Leah walk altogether? (4.OA.3) 17 miles 24 miles 27 miles 33 miles

Apolynomial has two terms. check all of the factoring methods that should be considered. common factor difference of cubes sum of cubes difference of squares perfect-square trinomial factoring by grouping