Which expression is equivalent to this quotient?

When using the linear combination metho e linear combination method to solve a system of linear equations, the four options are:

In the diagram, be and ad pass throughthe center of circle o, and the area ofsector aoc is 47.45 square units. what isthe area of sector boc? use the value =3.14, and round your answer to two decimalplaces.22.33 square units25.12 square units

Arational number that is equivalent to -20/4?