The square pyramid had a base edge of 1 meter. the height of each triangular face is 1 meter. what is the pyramid's surface area?

What is the greatest common factor of 8 and 36

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

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)