A pyramid has a square base with an area of 169 square feet what is the perimeter of the base of the pyramid? Each side of the square base is
? feet
The perimeter is ?
feet

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)

What rotation was applied to triangle def to create d’e’f’?

Write the fraction for the part that is shaded. then find the equivalent fraction.