Answer is B- you might begin to visualize the story.
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 
Answer:
6x + 2
Explanation:
4 + -2 = 2 and x + 3x + 2x = 6x
Answer: y=1.5x+5 slope 1.5
explanation: it the first two questions
The correct answer is C, since 7:5*3 is 21:15.