Feticia wanted to find out which hip hop video was most popular among the junior high school students. Where should she conduct her survey to get the most unbiased survey.

A=at a teacher's meeting
B=in her physical education class where her classmates all like jazz
C=in the band hall where hip=hop music is not allowed
D=at a school dance

D: At the school dance, so all of the kids can get a fair opinion

Step-by-step explanation:

well there are two answers for that.

1: you need 120 ones then that will equal up to 120.

2: you could also do one 100 and 2 tens.

those are the answers that i have thought of.

answer: 8 years

step-by-step explanation:

the explanation is that in 8 years the child will be 20 and in 8 years the father will be 40 and 20 is half of 40.