The mean age of 12 women in an office is 33 years old. The mean age of 11 men in an office is 35 years old. What is the mean age (nearest year) of all the people in the office?

Which expression is equal to (21)(7)(3x) using the associative property? (21 · 7 · 3)x (7)(21)(3x) 32(7 + 3x) (3x)(7)(21)

F(x)=5/6x+3 which of the following is true

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.