12 out of 30 people chose their favourite colour as blue calculate the angle you would use for blue on a pie chart

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?

Corresponding angles are a. always b. sometimes c. never congruent

Given the equation −4  = 12, solve for x and identify if it is an extraneous solution.