Please help Which of the following are functions from the set { 1, 2, 3} to the set {a, b, c, d}? If the set of ordered pairs is not a function, explain why not.
a.{( 1,a) , (2, b) , (3, c) , (1, d) }
b.{( 1,a) , (2, b) , (3, a)}
c.{( 1,a) , (2, a) , (3, a)}
d.{( 1,a) , (2, b) , (3, b)}

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.

Koji is installing a rectangular window in an office building. the window is 823 feet wide and 534 feet high. the formula for the area of a rectangle is a=bh. what is the area of the window? enter your answer as a mixed number in simplest form in the box. $$ ft2

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table