Hola! I need help with this: What word would you use to describe a man who does not have all his fingers on one hand?

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

Could someone with number 1 and 2

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)