X varies directly as y
x = ky
3 = 2k
k =

when x =9
9 =

y

= y
∴y = 6
please mark as brainliest
3-8 equals to -5 because if you stele a number line and count 8 points from three it will equal -5
{y|1 > y}, (-∞, 1); you did not specifically mention what notation you needed, so I wrote both [Internal Notation and Set Notation].
The way to find the difference between 5y - 3 you have to first do the inverse operation of multiplication which is division.
5y - 3
__ __
5 5
y - 0.6