What is the symbol for line​

↔ thats the symbol for line in mathematics.

btw im so close in having the power of the sun in my grasp.= next rank genius

the symbol is ↔

4+n=5

step-by-step explanation:

this is because the four is four hours and the n represents the 1 extra hour over the weekend.

b= i'm srry i don't know that one.

4+n=5 n=1 because if vernon plays 5 hours a week then 4+1=5 hours.

hope this : )