Can you give me the answer to this

What can be said about the relationship between triangles and circles? check all that apply. a) many circles can be inscribed in a given triangle b) exactly one triangle can be inscribed in a given circle c) exactly one circle can be inscribed in a given triangle d) many triangular shapes can be circumscribed about a given circle

The table shows the distance traveled over time while traveling at a constant speed.

Which of the following is the true for f(x) = 5cos