Answer:
See steps below
Step-by-step explanation:
Let F(x, y) and W be
F(x,y) = “x can fool y”
W the set of all the people in the world
a) <u>Everybody can fool Fred.</u>

b) <u>Evelyn can fool everybody.</u>

c) <u>Everybody can fool somebody.</u>

d) <u>There is no one who can fool everybody</u>.

e) <u>No one can fool both Fred and Jennifer.</u>

f) <u>Nancy can fool exactly two people.</u>

Answer:
(4,-1). ................
..............................
Answer is 16
8 (6 1/4 x 3.2 - 18)
8 ( 6x4+1) = 25/4
8 (25/4 x 3.2 - 18)
8 (25/4 x 3.2) = 80/4 = 20
8 (20 - 18) = 2
8 x 2 = 16