Someone help plz make sure it’s right plz, if it is will mark brainiest! and NO WEBSITES/LINKS PLZ

What is the absolute value of the complex number -4-sqrt2i

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)

Laura read 1/8 of a comic book in 2 days. she reads the same number of pages every day. what part of the book does she read in a week