Find the value of ƒ(5) if

Me! 50 points! why does when we come home, our door is unlocked and there is grease on the door knob, me solve this , and i don't know what category this goes under

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

Combine like terms to make a simpler expression 3z+z