Twenty four students in jamal's class are wearing tennis shoes. there are thirty students in his class. what percent of the of the students in jamal's class are wearing tennis shoes?

Plz hurry evaluate the expression a+b where a=8 and b=19

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

One file clerk can file 10 folders per minute. a second file clerk can file 11 folders per minute. how many minutes would the two clerks together take to file 672 folders?