Which expression illustrates the associative property of addition? a. (3 19) – 12 = (3 12) – 19 3
b. (19 – 12) = 3 (19 12)
c. (3 19) – 12 = 3 (19 – 12) 3
d. (19 –12) = 3 – (19 12)

Algebra 1: unit 6 part 2 of test a) the table shows a linear function. x 0 1 2 3 5 13 21 29 37 45 53 (a) determine the difference of outputs of any two inputs that are 1 unit apart. show your work. (b) determine the difference of outputs of any two inputs that are 2 units apart. show your work.

3.4a=57.8 what is the the value of a

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x