A typical high-income household in 1980 earned $144,039. A similar household in 2009 earned $188,726. What was the relative increase in income for these households
from 1980 to 2009? Round to the nearest one percent.

Give all possible names for each angle shown. calculation tip: in angle abc, b is the vertex.

30 points and i will give brainliest 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.

How many sides does a regular polygon have if each exterior angle measure is 45 degrees explain your answer, i really don't understand this.