The mean age of a student book club is 14.2 years. A 27-year-old teacher is
invited to join the club. How does the teacher's age affect the mean?

Which of the following best describes the graph below? + + 2 + 3 + 4 1 o a. it is not a function. o b. it is a one-to-one function. o c. it is a many-to-one function. o d. it is a function, but it is not one-to-one.

What is the value of the product (3-2i)(3+2i)?

Solve for x where 0 equation: cot^2x+2cotx+1=0