Lacey reads 1 1/2 of a book each day. What fraction of the book will lacey have read after 8 days?

Asap 25 pts + brainliest to right/best answer

9/10 divide by -3/15 as a mixed number

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)