The mean age of a dance troupe is 14.2 years. a 7-year-old sibling is invited to join the troupe. how does the sibling’s age affect the mean? a. the new mean age will be 10.6 years. b. the new mean age will be greater than 14.2 years. c. the new mean age will be less than 14.2 years. d. the new mean age will still be 14.2 years.

Renita analyzed two dot plots showing the snowfall during the winter months for city a and for city b. she found that the median snowfall is 5 inches less in city a than in city b. the mean snowfall is about 2 inches less in city a than in city b. which explains why there is a difference in the measures of center for the sets of data?

The graph shows the function f(x) = (2.5)x was horizontally translated left by a value of h to get the function g(x) = (2.5)x–h.

Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?