Set up this equation. There are 20 animals in my house. Some are cats and some are ducks. There are 72 legs in all. *

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined

How many solutions does the nonlinear system of equations graphed below have?

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)