What is the mode of 1 4 6 7 12 12 15

Which statement best describes a square? a. a special rectangle that has four right angles b. a special trapezoid that has four sides of equal length c. a special rectangle that has four sides of equal length d. a special trapezoid that has four right angles

Choose the more precise measurement. 26.4 cm or 8.39 cm

Find the vertex for the parabola given by the function ƒ(x) = −3x2 − 6x.