Emily filled an empty horse trough with water the water level, in centimeter is proportional to time elapsed in imutes since she began filling the trough the graph shows this realshionship a) identify the constand of proportionality
b) identify the unit rate: per
c) explain what (6,21) meand in terms of the graph.
D) what would the water level be after 20 min (hint use proportion)

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.