Use the properties of real numbers to help simplify each expression mentally (19+5)+5

What is the equation of a parabola y(x) that has a vertex at point (− 1/3 , 0.3) and passes through point (− 2/15 , − 1/2 ).

In the surface area formula for cylinders which expressionrepresents the lateral area

Use the x-intercept method to find all real solutions of the equation. -9x^3-7x^2-96x+36=3x^3+x^2-3x+8