The axis of symmetry for the function f(x) = -x^2 - 10x + 16 is x = -5. what are the coordinates of the vertex of the graph?

Factor -8x3-2x2-12x-3 by grouping what is the resulting expression?

5, 6, 10 question: a. determine whether the side lengths form a triangle. (explain your reasoning) b. if it is a triangle, determine whether it is a right, acute, or obtuse triangle. (show your work)

Abag contains pieces of paper numbered from 5 to 9. a piece of paper is drawn at random. what is the theoretical probability of drawing a number less than 8?