Ineed to figure out all questions

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did

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

Find the arc length of the semicircle. 7the grade