When 255 college students are randomly selected and surveyed, it is found that 111 own a car. find the best point estimate for a 99% confidence interval for the true proportion of all college students who own a car. round your answer to the ten-thousandth decimal place?

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

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)

What is the measure of angle x? answer