An outfielder throws a baseball to the player on third base. The height of the ball in feet is modeled by the function below where t is time in seconds. The third baseman catches the ball with his glove on the ground. To the nearest tenth of a second, how long was the ball in the air before it was caught? h(t)=−16t^2+19t+1
Question 5 options:

1.2 seconds

7.2 seconds

0.05 seconds

6 seconds

Me 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.

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?

The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick