Which expression can be used to calculate the area of a circle? Pi times diameter

2 times pi times radius

Pi times diameter times diameter

Pi times radius times radius
also give a real answer help me

Determine whether the angles in each given pair are coterminal. 744°, -336°

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.