Based on the number of pyramids that fit precisely into a cube, which of the following is used in an informal argument for the formula for the volume of a pyramid? a) v = b cubed over 2 b) v = b cubed over 3 c) v = b cubed over 4 d) v = b cubed over 6

Mr. walker gave his class the function f(x) = (x + 3)(x + 5). four students made a claim about the function. each student’s claim is below. jeremiah: the y-intercept is at (15, 0). lindsay: the x-intercepts are at (–3, 0) and (5, 0). stephen: the vertex is at (–4, –1). alexis: the midpoint between the x-intercepts is at (4, 0). which student’s claim about the function is correct?

For what value of x does 4x = (1/8) x + 5?

Agroup of randomly selected members of the foodies food club were asked to pick their favorite type of food. the bar graph below shows the results of the survey. there are 244 members in the foodies.