x represents a certain number. when the number is multiplied by 3 the result is the same as adding 34 to the number x​

What is the missing constant term in the perfect square that starts with x^2 -20x

The heaviest 16% of all men in weight weigh more than how many pounds ?

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)