Someone help me its 7th grade work

Provide an example of a trigonometric function and describe how it is transformed from the standard trigonometric function f(x) = sin x, f(x) = cos x, or f(x) tan x using key features.

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Hurry if the population of of an ant hill doubles every 10 days and there are currently 100 ants living in the ant hill what will the ant population be in 20 days