A number w multiplied by 42

Using elimination, what is -4x+2y=-12 4x+8y=-24

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

If bill bought a home for $210,000 and he sold it a year later for $120,000 his percentage of loss is