Please answer CORRECT hopefully

Determine if the given relation express a direct linear variation between the variables. Write TXT if direct variation. Otherwise, write SVT.
1) x 1 2 3 4
y 5 10 15 20

2) r 2 4 6 8
A 4 16 36 64



3) m -3 -1 2 5
n 6 2 -4 -10

4) y=7x
5) A = d2

! Death or life situation !
(Correct answer hopefully)

Help please, ASAP Thank you in advance!!