Algebra 2 - Grade 11 Can anyone please help me with these Algebra 2 Math questions?

Soon as possible !!!

Find p(–4) if p(x) = 3x^3 – 2x^2 + 6x – 4

If r(x) = x^3 – 2x + 1, find r(2a^3).

The frequency table shows a set of data collected by a doctor for adult patients who were diagnosed with a strain of influenza. patients with influenza age range number of sick patients 25 to 29 30 to 34 35 to 39 40 to 45 which dot plot could represent the same data as the frequency table? patients with flu

I'm confused on this could anyone me and show me what i need to do to solve it.

Solve these problems: 1.what is the perimeter of an equilateral triangle with sides measuring 6cm? 2. a regular pentagon has sides measuring 3.2 cm. what is its perimeter? 3. a regular decagon has sides of 3.5mm . what is it’s perimeter? 4. a regular octagon has a perimeter of 64cm. what is the length of one of the sides? 5. a regular hexagon has a perimeter of 72mm . what is the length of one of the sides? 6. what is the perimeter of a rhombus with sides measuring 11m?