Which solid does the net form
hexagonal prism
hexagonal pyramid
rectangular prism
rectangular pyramid

What is the simplified expression for 6(2(y+x))

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)

Tom drove 206 miles in 3.9 hours. estimate his average speed.