How many ways can you select a President, Vice President, and Secretary for the Robotics Club if

there are a total of 15 club members?

sorry can't

step-by-step explanation:

i googled though and something came up but it was in science langueage not common english sooo

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.

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