The mean age of w student book club is 14.2 years. a 27-year-old teacher is invited to join the club. how does the teachers age affect the new mean?

If the class was going to get a class pet and 5 picked fish and 7 pick bird and 8 picked rabbits have many students were in the

Which number produces a rationale number when multiplied by 1/5

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.