The smith house payments are 800$ per month. what percent of their combined take home pay goes for the house payments? (96,169 is their combined pay)

pls explain your answer if you can.

When y’all answer can y’all explain too !

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3

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)