If a tire rotates at 450 revolutions per minute when the car is traveling 81km/h, what is the circumference of the tire?

True or false? a triangle can be circumscribed about a given circle

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?

Find the value of x. round the length to the nearest tenth