Aline is 45/64 inch long . find the length of a line 4/5 as long

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

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

There are a total of 75 students in the robotics club and the science club. the science club has 11 more students than the robotics club. how many students are in the science club?