HELP , which expression represents the distance between -1 and 4 ? choose ALL that apply

Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120

Write the point-slope form of an equation of the line through the points (-2, -3) and (-7, 4).

Acone is placed inside a cylinder. the cone has half the radius of the cylinder, but the height of each figure is the same. the cone is tilted at an angle so its peak touches the edge of the cylinder’s base. what is the volume of the space remaining in the cylinder after the cone is placed inside it?