Which statement shows the associative property of addition? (u + 7) + 13 = u + (7 + 13) 3⋅(5⋅x)=(3⋅5)⋅x if m + 3 = 18, then 18 = m + 3. 21 + 2y = 2y + 21

Consider the line y = -3/-2 x +6. find the equation of the line that is perpendicular to this line and passes through the point (-9,-3). find the equation of the line that is parallel to this line and passes through the point (-9,-3).

What is the first quartile of the data set? 10, 11, 12, 15, 17, 19, 22, 24, 29, 33, 38 a. 12 b. 19 c. 29 d. 10

Deshawn uses 3/4 of a box of rice to cook dinner the portion he uses weighs 12 ounces right and solve an equation to find the weight of the full box of rice