Question 11 Which of the following is NOT an example of the commutative property of addition?
2+(-13) = -13 + x
A
00
2 + 3 + 5 = 2 + 5 + 2
С
2 - 13 = 13 - 2
D
-2 +5=5+(-2)

Can someone me with the property questions for 12 13 and 14 plz

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 0 a. at what time does the particle reverse direction? b. when is the displacement positive? (round one decimal place and answer in interval notation) c. when is the displacement negative? (round one decimal place and answer in interval notation) d. when is the particle’s acceleration positive? (round one decimal place and answer in interval notation) e. when is the particle’s acceleration negative? (round one decimal place and answer in interval notation)

To decrease an amount by 16% what single multiplier would you use