every student in mrs. d’angelo’s homeroom class participates in exactly 1 extracurricular activity. 5 students are on the math team, 10 students are in student government, 8 students are in the drama club, and 7 students play sports. the math team has a competition, so everyone except the students on the math team will attend an assembly. how many students from mrs. d’angelo’s homeroom class will attend the assembly? a. 5 b. 15 c. 25 d. 30