Can you plz me with number seven
you
i love you who ever is me
in a friend way

Ethan's cylinder has a larger total surface area.

Step-by-step explanation:

You total surface area of a cylinder can be calculated with the following formula:

Where "r" is the radius and "h" is the height of the cylinder,

 Then:

1) Total surface area of Tommy's cylinder

Since the radius is half the diameter:

Knowing that:

You can subsitute values into the formula and find the total surface area:

2) Total surface area of Ethan's cylinder

Knowing that the radius is half the diameter:

And having:

You can subsitute values into the formula and find the total surface area:

Therefore, Ethan's cylinder has a larger total surface area.

because linear equations are a lot simpler than quadratics equations, and linear equations formula is a lot easier to memorize. that's why i think they're harder.