The picture shows a sandwich box: a sandwich box is shown with a right triangle side. the right triangle has hypotenuse 12 cm and base 5 cm. what is the approximate minimum height of a shelf in which this box can fit in the position shown in the picture? 4.1 centimeters 7.0 centimeters 8.5 centimeters 10.9 centimeters

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)