Area is expressed in square units, such as square meters. what is the abbreviation for square centimeters?

- volume is expressed in cubic units> what is the abbreviation for cubic meters?

- density is expressed in cubic units. what is the abbreviation for cubic meters?

- for lunch, you might drink how much milk -250 l, 250 ,ml, or 250 kl?

- your friends vegetable garden is one of these sizes: 20 g, 50 km, or 30m2 . what size is it?

- the water in the pool is 3m deep. should a nonswimmer jump in?

- your friend cathy lives 0.024 km from your house. she wants to visit you. would she most likely ride in a car, walk, or take a plane?

- a rock has a mass of 2,000g. could you lift-in?

the correct answers are:

a - pacific plate;

it is the biggest oceanic tectonic plate. surrounded on all sides by continental tectonic plates, it is submerging and gradually becoming smaller and smaller.

b - north american plate;

huge continental plate, occupying big portion of the northern hemisphere.

c -eurasian plate;

alongside the north american plate, it is one of the two dominant continental plates in the northern hemisphere.

d - indian plate;

a small continental plate, that has been part of gondwanaland initially, but after the break up of it, moved towards northeast and pushed into the eurasian plate that was once part of laurasia.

the answer would be the third option, "no, ariel should have added 9^2 and 12^2 and compared that to 15^2."

this is found through the pythagorean theorem, which is a^2 + b^2 = c^2.

this is the correct way of solving the problem:

9^2 + 12^2 = 15^2

81 + 144 = 225

225 = 225