35% packed their lunch. 65/100 bought hot lunch. 100-65=35.
Answer:
Therefore the required probability is 
Step-by-step explanation:
The probability of success is 
The number of trial = 4
X= the items survive out of 4
p =the probability of success and q = the probability failure.
p=
and 



Therefore the required probability is 
Equation of the line joining the points R(-1,6) and S(5,5)
Answer:
1/2.
Step-by-step explanation:
There are 2 quadrilaterals which have 4 congruent sides in the list: A square and a rhombus, The square is the one with four right angles.
So the required probability is 1/2.
Answer:
Hope this helps :)
Step-by-step explanation: