It is always ahead of me yet I can never see it. What is it?

Count the number of triangles in the picture below:

You’ll find me on Mercury, Earth, Mars, Jupiter, Saturn, and Uranus. But never Neptune, or Venus. What am I?

No matter how little or how much you use me, you change me every month. What am I?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

Spot the cat in the picture below

I am eight letters long - "12345678"
My 1234 is an atmospheric condition.
My 34567 supports a plant.
My 4567 is too appropriate.
My 45 is a friendly thank-you.
My 678 is a man's name.

What word am I?

Which tank will fill first?

Which number should replace the question mark?

Rumel, A detective who was mere days from cracking an international smuggling ring has suddenly gone missing. While inspecting his last-known location, you find a note:

710 57735 34 5508 51 7718

Currently, there are 3 suspects: Bill, John, and Todd. Can you break the detective's code and find the criminal's name?