Which property justifies the statement below? a(2b+c)=a(c+2b)

a. commutative property of addition
b. commutative property of multiplication
c. associative property of addition
d. distributive property

Which of the following circles have their centers on the x-axis? check all that apply.

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth

Which statements are true about box plots? check all that apply. they describe sets of data. they include the mean. they show the data split into four parts. they show outliers through really short “whiskers.” each section of a box plot represents 25% of the data.