Need help with all of these if you only know a couple any help would work

please I just want the answers NO EXPLANATION is needed lol save u some time

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

List the sides of δrst in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way