Asmall plane flew 752 miles in 4 hours with the wind. then on the return trip, flying against the wind, it traveled only 512 miles in 4 hours. what were the wind velocity and the speed of the plane? (note: the "speed of the plane" means how fast the plane would be flying with no wind.)

Someone answer asap for ! max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a. the median of max’s data is 250 b. more than half of the data points max recorded were 177 centimeters. c. a data point chosen at random is as likely to be above the mean as it is to be below the mean. d. every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.

Ihonestly have no clue if it's each or none.

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?