Which expressions are equivalent to 5p+3p+(-9) Choose all answers that apply:
A) 8p+9
B) 3(p+(-3))+5p
C) none of the above

The number of 8th graders who responded to a poll of 6th grade and 8 th graders was one fourtg of the number of 6th graders whi responded if a total of 100 students responddd to the poll how many of the students responded were 6 th graders