The u. s. bureau has a station on mauna loa in hawaii that has measured carbon dioxide levels since 1959. at that time, there were 313 parts per million of carbon dioxide in the atmosphere. in 2005, the figure was 386 parts per million. find the increase in carbon dioxide levels and the percent of increase.

The triangles in the diagram are congruent. if mzf = 40°, mza = 80°, and mzg = 60°, what is mzb?

The graph and table shows the relationship between y, the number of words jean has typed for her essay and x, the number of minutes she has been typing on the computer. according to the line of best fit, about how many words will jean have typed when she completes 60 minutes of typing? 2,500 2,750 3,000 3,250

Choose the right classification of 5x + 3x^4 - 7x^3 + 10 by number terms and he degree 1. third degree polynomial 2. fourth degree polynomial 3. sixth degree polynomial 4. first degree binomial