Has the marrying age of a man changed over the years? the united states bureau of the census takes a formal count of everyone in the u. s. every 10 years and has provided the following data that gives the median age of an american man at the time of his first marriage.
year
1910
1920
1930
1940
1950
1960
1970
1980
1990
2000
median age
25.1
24.6
24.3
24.3
22.8
22.8
23.2
24.7
26.1
26.8
is the average rate of change zero over any ten-year period? if so, when?

Icould really use some with this question.

Peter measures the angles in a triangle. he finds that the angles are 95, 10 and 75. is he correct? explain your answer

Pleasse me i need an answer. give me the correct answer. answer if you know it ! the club will base its decision about whether to increase the budget for the indoor rock climbing facility on the analysis of its usage. the decision to increase the budget will depend on whether members are using the indoor facility at least two times a week. use the best measure of center for both data sets to determine whether the club should increase the budget. assume there are four weeks in a month. if you think the data is inconclusive, explain why.