Look at the photo down below please help me

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.

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