49/9=m/n this is because you multiply by the reciprocal of 3/7
The days she has recorded: 11 + 10 + 7 + 6 + 3 + 2 = 39
The mode distance (most often): 5 km
Median distance: 6.64 km ~= 6.5 km ~= 7 km by rounding upwards, so 3rd
Cumulative frequency: 11; 21; 28; 34; 37; 39
Answer:

Step-by-step explanation:
Given: 
To find: the correct option
Solution:
A binomial polynomial is a polynomial consisting of two terms.
A trinomial polynomial is a polynomial consisting of three terms.
On multiplying a binomial
to itself, a perfect square trinomial
is obtained.
Here, 
So, 
Here,
is a binomial and it is multiplied to
to get a perfect square trinomial 