Elrich planted ___ seeds from each of x different seed packets in his garden. To plant these seeds, he had to remove___plants that were already in the garden. Taking into account the plants he remove and seeds he planted, he expected to have___plants in the garden. From how many different seeds packets did Elrich recently plant seeds?

square pyramid

step-by-step explanation:

square prism looks like nothing like that

triangular prism has a rectangular base instead of a square base

tetrahedron has a triangular base

step-by-step explanation:

the height of the surface increases from the center out to the sides of the road.

step-by-step explanation:

as we move out we move away from the x-axis.

and as mentioned in the problem statement that height of a road increases when we move away from the center x.

hence proved that 3rd option

the height of the surface increases from the center out to the sides of the road.

is the correct option.