Y Some one plz awnser I need it :what is the area of the real object that the scale drawing model Scale factor:1:3

Small square: 20 square cm

Big square: ??? 180---2012060

Ps: it os not 60

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

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)

Precalculus question, image attached.