b×h=a
this is how to represent it and it is a direct variation.
Answer:
The answer for first one is,

sorry I don't know the answer for second one.
Answer:
2025 is the answer
Step-by-step explanation:
Answer:
Step-by-step explanation:
the graph is known to be the infinite set of points on the line
Area of a square = length²
A = x²
16 = x²; x = 4
dA/dx = 2x cm²/s
dx/dt = 6 cm/s
Using chain rule:
dA/dt = dA/dx * dx/dt
dA/dt = 2x * 6
dA/dt = 12x
At x = 4,
dA/dt = 12(4) = 48 cm²/s