A gardener has 26 feet of fencing for a garden. To find the width of the rectangular garden, the gardener uses the formula P = + 2 2,  w where
P is the perimeter,  is the length, and w is the width of the rectangle. The
gardener wants to fence a garden that is 8 feet long and plans on using all
of the available fencing. How wide is the garden? Solve the equation for w,
and justify each step.

How do i do this? i don’t understand

Nine more than four times a number is the same as one less than twice the number. find the number?

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)