If a pistol bullet is fired vertically at an initial speed of 100 m/s, the height in metres after t seconds is given by h = 100t – 10t2.
A)Find the maximum height attained by the bullet
B)When does the bullet return to the ground?

Assume that 1400 births are randomly selected and 1378 of the births are girls. use subjective judgment to describe the number of girls as significantly high, significantly low, or neither significantly low nor significantly high. choose the correct answer below. a. the number of girls is neither significantly low nor significantly high. b. the number of girls is significantly high. c. the number of girls is significantly low. d. it is impossible to make a judgment with the given information.