Answer:
1,
,
.
Step-by-step explanation:
probability = 
Total number of persons in the party = n
a) Pr ( every person gets their phone back) = Pr (each person picks his phone ) multiplied by number of person
=
× n = 1.
No of first m persons to pick = m
No of last m persons to pick = 1 - m
b) Pr (first m persons to pick each gets their phones back) = 
c) Pr( first m persons get a phone belonging to last m persons) = 
Answer:
f(-2x+4) = -10x+18
Step-by-step explanation:
Select all the correct locations on the graph. At which points are the equations y = x2 + 3x + 2 and y = 2x + 3 approximately equal? 2.
Answer:
PD is the answer
Step-by-step explanation:
(PA) (PC) = (PB) (PD)
Answer:$31.25
Step-by-step explanation:
$12.50/30=$.42each*75=$31.25