Ascale drawing of a building has the scale 0.5in : 6ft. a wall is 30 ft long. how long will the wall be on the drawing?

a. 1.5 in
b. 2.5 in
c. 6 in
d. 360 in

steps pls!

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)