Answer:
y =
Step-by-step explanation:
given that y and x are proportional then the equation relating them is
y = kx ← k is the constant of proportionality
to find k use the given condition y = 12 when x = 5
k = =
y = x ← equation of proportionality
when x = 8, then
y = × 8 =
Answer:
or
or
Step-by-step explanation:
four to the negative power of 3 is = 4⁻³