The vertex of a quadratic function is located at (1, 4), and the y-intercept of the function is (0, 1). what is the value of a if the function is written in the form y = a(x – h)2 + k? a =

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

Find the volume of the described solid. the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x. a) 441b) 147c) 864d) 882

Patty made a name tag in the shape of a parallelogram. reilly made a rectangular name tag with the same base and height. explain how the areas of the name tags compare.