Add the whole numbers, including the decimals, then the variables like y and x.
Factor out the gcf first.
3(4y^2-9)
The binomial inside is a perfect square so keep factoring.
3(2y+3)(2y-3)
The pair of binomials cannot be further factored so stop there.
I think you have to follow someone and ask them to be your tutor.
289 square root = 17
17*17=289
Say 17 was length and 17 was width. L*w=289
Also, all sides of the square are the same.
Answer:
(a)


(b)


(c)


Step-by-step explanation:
(a) This is a sequence of consecutive number



(b) This is a sequence of 2 to the power of n - 1. The next number is twice time of this number



(c) This is factorial sequence. Where the next number is this number multiplied by 


