Bonjour, j’espère ne pas vous déranger on m’a donné un dm à faire j’ai avancé dessus mais il y’a une exercice que je ne comprend pas a moitié :

2. une voiture roule sur autoroute à 130 km/h (la route est sèche). le conducteur aperçoit un obstacle dans ces phares à 100 m devant lui. il doit alors faire un freinage d'urgence. aura-t-il le temps de s'arreter ? justifier.

50 points! antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

Asap! i'm not good math and i'm lost.

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.