Given the original number n. Multiply the number by 9. Add 99. Divide this sum by 9. Subtract the original number, n, from the quotient.

Which statement about perfect cubes is true

The position of a moving particle is given by the position function: f(t)=-9t-t^2-0.2t^3+0.1t^4 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)

What’s 8y+48 and factor each expression completely