Will give brainliest!

daniela has a rectangular yard with a pool in the shape of a semicircle. how many square feet of grass does daniela need to cover her yard, but not the pool?

Given that (x-3) is a factor of f(x)=x^3+ax^2-x-6, find a and hence the number of real roots or the equation f(x)=0

The constitution gives congress the power to create federal courts lower than the supreme court higher than the supreme court equal to the supreme court, unaffected by the supreme court.

Which will form a composite function?