4. Solve
9-6-5 + 6(8-3) - 7 + 1-2-4

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

Me! i really need to get this right before 9. prove the divisibility of 7^6+7^5-7^4 by 11. use factoring so you get a number times 11. just tell me the number. i need this done asap

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2