Henry says that you can apply the commutative and associative properties to 5x+10 and get 10x+5. Is Henry correct

Which term best describes the association between variables a and b

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)

How to write four times a number,minus 6,is equal to theee times the number+8 as an equqtion