Use the bar graph, which shows the receipts of the federal government in billions of dollars) for selected years from 1996 through 2006. In this exercise you are given the expenditures of the federal government. Find the magnitude of
the surplus or deficit for the year 2006.
(Source: U. S. Office of Management and Budget)

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

We just started the introduction into circles and i have no idea how to do this.

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.