If you were asked to provide a "ballpark estimate" of global atmospheric co2 concentrations at the beginning of the industrial revolution (1750-1850), you would choose:

Gibson's bodywork does automotive collision work. an insurance agency has determined that the standard time to replace a fender is 2.5 hours (i.e., "standard output" 0.4

Jaynet spends $30,000 per year on painting supplies and storage space. she recently received two job offers from a famous marketing firm – one offer was for $85,000 per year, and the other was for $120,000. however, she turned both jobs down to continue a painting career. if jaynet sells 40 paintings per year at a price of $4,000 each:

Amathematical approximation called the rule of 70 tells us that the number of years that it will take something that is growing to double in size is approximately equal to the number 70 divided by its percentage rate of growth. thus, if mexico's real gdp per person is growing at 7 percent per year, it will take about 10 years(=70/7) to double. apply the rule of 70 to solve the following problem. real gdp per person in mexico in 2005 was about $11,000 per person, while it was about $44,000 per person in the u.s. if real gdp per person in mexico grows at the rate of 5 percent per year: how long will it take mexico's real gdp per person to reach the level that the united states was at in 2005? (hint: how many times would mexico's 2005 real gdp per person have to double to reach the u.s.'s 2005 real gdp per person?