Find the total surface area of this shape. HINT: this shape is made up of one square four triangles. You should find the area of the five shapes and then add them together
A.25
B.200
C.150
D.105
*first to answer questions will mark as Brainliest*

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)