10 x 9 = How do you know what a guys is feeling and how can you tell what they are thinking?

answer:

You can't (90)

Step-by-step explanation:

A guys mind is an unpredictable phenomena. Like a quark, neutrino, or other subatomic particle, you can't observe it without changing it. Especially if you are interested in this guy, there is a 99.9% that he has no idea until you tell him. As for feelings, facial expressions are usually a good indicator. If they're usually talkative, but not around you, then you can be 83% sure that they like you. But you always have to express how how feel for the guy to know. They are terrible at taking hints and can't read your mind.

i think it is

step-by-step explanation:

a formal letter is a letter the you would send to a king

f(2x−x2)=−3x2+6x−1

step-by-step explanation:

set up the composite function and evaluate.

f(2x−x2)=−3x2+6x−1