The volume of a cylinder is 1761pi cm^3 and its height is 11 cm. What is the length of the cylinder's radius?

What is the value of y? round to the nearest tenth

The longer leg of a 30° 60° 90° triangle is 16 times square root of three how long is a shorter leg

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)