Answer:
y = -
x
Step-by-step explanation:
Given that x and y vary directly then the equation relating them is
y = kx ← k is the constant of variation
To find k use the condition x = - 4, y = 6, thus
k =
=
= - 
y = -
x ← equation of variation
Answer:
B.
Step-by-step explanation:
5/9 times 3/4 = 5/12
Hope this helps!
the answer is 3.62 x 10 to the -3 power