What is the word or phrase?

Replace the question mark with the number below given a simple math problem.

A pregnant woman is preparing to name her seventh child. Her children's names so far are Dominique, Regis, Michelle, Fawn, Sophie, and Lara. What will she name her next child -- Jessica, Katie, Abby or Tilly?

I am the first thing you need while camping.
I am always with the person named Marcos Valencia and Carrick.
But Pogba Zlatan and Rooney think I am wasteful and do not need me.
I am the second to the last thing to add when you are making a patch.

What am I?

The answer I give is yes, but what I mean is no. What was the question?

Below the four parts have been reorganised. The four partitions are exactly the same in both arrangements. Why is there a hole?

How many Watermelons are there in the below picture?

Pronounced as 1 letter, And written with 3, 2 letters there are, and 2 only in me. I’m double, I’m single, I’m black blue and grey, I’m read from both ends, and the same either way. What am I?

In the image below, can you find the value of an angle(y)

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?