I'm really behind on work. i will give 98 points .

1. −7≥13−5x
x≥−4
x≥4
x≤4
x≤−4
2. 5+d> 5−d
d> 0
d< −5
d> −10
d> 6
3. 3(n+5)≥3n+8
n≥7
no solution
n≥23
all real numbers

one the first one the sign flipped because you divided by a negative number, on the third one it was all real numbers because the coefficients of n (which was "3") are equal and 3n+15 is greater than or equal to 3n+8 no matter what number you put in

u bout ugly as   a mf

step-by-step explanation: lol

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.