Which of the following is a function? Explain why you chose the one you did. a. (3,5) (2,5) (6,1) (7,8)
b. (0,0) (1,1) (2,2) (1,3)
c. (-2,2) (3,2) (3,5) (-2,4)
d. (10,11) (10,12) (3,5) (6,9)

Acoin is tossed twice. let e e be the event "the first toss shows heads" and f f the event "the second toss shows heads". (a) are the events e e and f f independent? input yes or no here: yes (b) find the probability of showing heads on both toss. input your answer here: preview

Assemble the proof by dragging tiles to the statements and reasons column

At a kentucky friend chicken, a survey showed 2/3 of all people preferred skinless chicken over the regular chicken. if 2,400 people responded to the survey, how many people preferred regular chicken?