Which expression is an example of the associative property?
A. (x + y) + z = x + (y + z)
B. x+y+z=z+ y + x
C. x(y + 2) = xy + xz
D. x • 1 = x

A.

Step-by-step explanation:

This property states that when three or more  are added (or multiplied), the sum (or the ) is the same regardless of the grouping of the  (or the multiplicands).

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step-by-step explanation:

26 is 33.33% of 78

step-by-step explanation:

26 is what percent of 78?

26 is p% of 78

equation: y = p% * x

solving our equation for p

p% = y/x

p% = 26/78

p = 0.3333

convert decimal to percent:

p% = 0.3333 * 100 = 33.33%