Help please, i have been stuck on this question for 20 minutes AND I DONT GET IT. Please help me.

S-7< 3 i need answering this problem someone asap answer

Cherie measures and records the lengths and sizes of the same style of a sandal found at a shoe store. which equation can be used to determine the approximate shoe size, s, for a foot length of x inches? s = x – 2 s = 2x – 10 s = x + 6 s = 2x + 4

Aline on the wall and a line on the floor are skew. always, sometimes, or never?