Answer:
y = 
Step-by-step explanation:
Given that y varies directly as x then the equation relating them is
y = kx ← k is the constant of variation
To find k use the condition y = 7 when x = 3
k =
=
, thus
y =
x ← equation of variation
When x = 7, then
y =
× 7 = 
Answer:
the area of the given figure is 79 sq.yd
Step-by-step explanation:
total area =
area of square + area of rectangle
=》(8×8) + (3×5)
=》64 + 15
=》79 yd^2 or 79 sq.yd